scholarly journals Duration of COVID-19: Data from an Italian Cohort and Potential Role for Steroids

2020 ◽  
Vol 8 (9) ◽  
pp. 1327 ◽  
Author(s):  
Damiano D’Ardes ◽  
Michela Pontolillo ◽  
Lucia Esposito ◽  
Mara Masciarelli ◽  
Andrea Boccatonda ◽  
...  
Keyword(s):  
Median Duration ◽  
Lymphocyte Count ◽  
Potential Role ◽  
Disease Duration ◽  
Clinical Presentation ◽  
Severe Disease ◽  
Viral Shedding ◽  
Severe Clinical Presentation ◽  
Clinical Healing ◽  
Italian Cohort

The diffusion of SARS-CoV-2, starting from China in December 2019, has led to a pandemic, reaching Italy in February 2020. Previous studies in Asia have shown that the median duration of SARS-CoV-2 viral shedding was approximately 12–20 days. We considered a cohort of patients recovered from COVID-19 showing that the median disease duration between onset and end of COVID-19 symptoms was 27.5 days (interquartile range (IQR): 17.0–33.2) and that the median duration between onset of symptoms and microbiological healing, defined by two consecutive negative nasopharyngeal swabs, was 38 days (IQR: 31.7–50.2). A longer duration of COVID-19 with delayed clinical healing (symptom-free) occurred in patients presenting at admission a lower PaO2/FiO2 ratio (p < 0.001), a more severe clinical presentation (p = 0.001) and a lower lymphocyte count (p = 0.035). Moreover, patients presenting at admission a lower PaO2/FiO2 ratio and more severe disease showed longer viral shedding (p = 0.031 and p = 0.032, respectively). In addition, patients treated with corticosteroids had delayed clinical healing (p = 0.013).

scholarly journals 540. Prolonged Viral Shedding of SARS-CoV-2 In Solid Organ Transplant Recipients

2020 ◽  
Vol 7 (Supplement_1) ◽  
pp. S337-S337
Author(s):  
Hannah Nam ◽  
Scott C Roberts ◽  
Sajal D Tanna ◽  
Michael G Ison
Keyword(s):  
Median Duration ◽  
Severe Disease ◽  
Organ Transplant ◽  
Solid Organ Transplant ◽  
Solid Organ ◽  
Transplant Recipients ◽  
Kidney Transplant Recipients ◽  
Viral Kinetics ◽  
Viral Shedding ◽  
Number Of Patients

Abstract Background Solid organ transplant (SOT) recipients are more susceptible to viral infection and present with differing viral kinetics when compared to non-immunocompromised cohorts. The duration of viral shedding in SOT recipients with SARS-CoV-2 infection is unknown. Methods All SOT recipients with a diagnosed of SARS-CoV-2 by nasopharyngeal of bronchoalveolar lavage RT-qPCR from March 06, 2020 to May 31, 2020 were identified. Viral shedding duration was obtained by evaluating all subsequent SARS-CoV-2 PCR results following initial positivity over time. Severity classification was defined as mild (outpatient), moderate (hospitalized), and severe (ICU level care). Data were obtained from electronic medical record case review and analyzed with Stata 16. Results 71 patients with a positive SARS-CoV-2 PCR test were identified. 50 (70.4%) were classified as mild/moderate disease, while 21 (29.5%) had severe disease. Median age was 56.5 (IQR 45 – 61.3) years, and 56.9% (n = 41) were male. Older age was significantly associated with severe disease. A disproportionate number of patients were African American/Black or Hispanic at 72.2% (n=52). Interestingly, Caucasian race was significantly associated with less severe outcomes (p=0.038). The majority of patients were kidney transplant recipients (46, 63.9%), followed by liver (13, 18.1%), heart (6, 8.3%), lung (3, 4.2%), and pancreas (9, 12.5%) with a median duration from transplantation at 5 (IQR 3 – 17) years. Overall mortality was 5.6% (n=4), with all deaths occurring only in those with severe disease (19.1%, n=4). Prolonged viral shedding was observed in few patients, with median duration of SARS-CoV-2 PCR positivity at 32 (IQR 18.5 – 41.0) days. One kidney recipient was observed with up to 64 days of positive SARS-CoV-2 RT-PCR from initial diagnosis despite not developing severe disease. Demographics and Outcomes Duration of Viral Shedding in SOT Patients with COVID-19 Conclusion COVID-19 can lead to significant outcomes in SOT with increased mortality in those with severe disease, as well as prolonged viral shedding. Further studies are needed to elucidate the full duration of viral shedding in this population. Disclosures Michael G. Ison, MD MS, AlloVir (Consultant)

scholarly journals P611 Incidence, clinical presentation, and severity of SARS-CoV-2 infection in IBD patients in the second and the third wave of infection

2021 ◽  
Vol 15 (Supplement_1) ◽  
pp. S556-S556
Author(s):  
A Algaba Garcia ◽  
I Guerra ◽  
S Castro ◽  
L Jiménez ◽  
D Garza ◽  
...  
Keyword(s):  
Median Duration ◽  
Clinical Presentation ◽  
Severe Disease ◽  
Severe Infection ◽  
Low Grade ◽  
Third Wave ◽  
Cross Sectional ◽  
Mild Disease ◽  
The Third ◽  
Dendritic Cell Sarcoma

Abstract Background Data about the SARS-CoV-2 infection in inflammatory bowel disease patients (IBD) are scarce. Our aim was to analyse the incidence, clinical presentation, and severity of SARS-CoV-2 infection in IBD patients in the second and the third wave of infection. Methods Cross-sectional, observational study in IBD patients with confirmed SARS-CoV-2 infection by RCP and/or antigen tests from 01 July 2020 to 01 March 2021. All data were collected by telephone interview and reviewing the electronical medical records. Results Fifty-one of 805 IBD patients followed in our Unit were diagnosed of SARS-CoV-2 infection in this period (6.3%; 95% CI 4.6–8.0). Mean age: 45±13 years old; 56.9% female, 23.5% smokers, 56.9% Crohn’s disease, 29.4% comorbidities and 17.6% asymptomatic. Digestive symptoms were reported in 22 patients (43.1%), with diarrhoea as the most common (39.2%, median duration: 4 days; IQR 1–7). The most frequent symptoms other than diarrhoea were low-grade fever/fever in 43.1% (median duration: 3 days; IQR 1–6.5) and dysosmia/dysgeusia in 39.2% (median duration: 15 days; IQR 7–30). Only one patient (2%) was diagnosed with IBD flare-up during infection. Six patients (11.8%) temporarily withdrew their IBD treatment because of COVID-19. Most of the patients had a mild disease (88.2%), no patient had to be admitted in the intensive care unit. Only one patient died (2%) due to SARS-CoV-2 infection and multiple previous comorbidities, 52 years old male with ulcerative colitis in treatment with Mesalazine and dendritic cell sarcoma, common variable inmunodefiency, and primary sclerosing cholangitis progressing to cirrhosis. In the multivariate analysis, the presence of dyspnoea was associated with more severe infection (p=0.007; OR:25.7; 95% CI 2.4–277.8). Patients on immunomodulators and/or biological therapy did not have more severe disease compared to non-immunosuppressed patients (p&gt;0.05). Conclusion SARS-CoV-2 infection was relatively frequent is our series. Dyspnoea was associated with a more severe infection. Severity of SARS-CoV-2 infection was not related to immunosuppression or development of IBD flare-ups and only a small percentage of patients needed to modify IBD medication during infection

scholarly journals SAT0541 THE SEVERITY OF FMF MAY BE ASSOCIATED WITH CO-MORBIDITIES

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 1227.3-1228
Author(s):  
M. E. Tezcan ◽  
N. Şen ◽  
M. Yilmaz ◽  
Ö. Volkan ◽  
E. Tükel ◽  
...  
Keyword(s):  
Familial Mediterranean Fever ◽  
Scoring System ◽  
Disease Duration ◽  
Severe Disease ◽  
Smoking History ◽  
Disease Group ◽  
Severity Scoring ◽  
Mild Disease ◽  
Co Morbidity ◽  
Mediterranean Fever

Background:Familial Mediterranean fever (FMF) is an auto inflammatory disease with recurrent attacks of serositis. Frequent attacks and disease related sequels may be associated with co-morbidities in FMF patients.Objectives:One of the tools for evaluating the FMF severity is the international severity scoring system for FMF (ISSF)1. This score includes disease related sequels, acute phase measurements, attack features and exertional leg pain. Therefore, more severe disease may be link with subclinical inflammation, amyloidosis and frequent, prolonged and widespread attacks. All these components may augment the frequency of non-disease related co-morbidities.Methods:We enrolled 158 FMF patients who fulfilled modifiedTel-HashomerDiagnosisCriteria2. The patients dichotomized based upon disease severity (mild disease or severe disease). Patients with ISSF scores lower or equal to 2 were accepted to have mild disease. Then, we compared frequency of non-disease related co-morbidities between the groups. These co-morbidities arehypertension, hypothyroidism, hyperthyroidism cardiovascular diseases, coronary artery diseases, cerebrovascular diseases, chronic renal disease (non-FMF related), chronic obstructive pulmonary diseases, and diabetes mellitus. This study was approved by the Local Research Ethics Committee and carried out in compliance with the Helsinki Declaration. All the patients gave written informed consent. P-value lower than 0.05 was considered as statistically significant.Results:Demographic features, disease duration, smoking history and body mass index (BMI) were similar between the groups. Frequency of co-morbidity in severe disease group was statistically higher than mild disease group (p=0.02). Most frequent co-morbidity was hypertension in both groups.Table.Features of mild and severe FMF groupsMild (n=135)Severe (n=23)pGender (M/F)47/8811/120.23Age36.4±11.336.5±14.30.68Smoking (%)38 (28.1)5 (21.7)0.52BMI (kg/m2)24.3±9.224.0±8.90.34Disease duration (year)7.7±11.38.6±14.30.09Amyloidosis (%)2 (1.4)3 (13.0)0.02Exon 10 homozygote (%)35 (25.9)9 (39.1)0.19Colchicine dosage (mg/day)1.2±0.41.4±0.50.02ISSF scores0.7 ±0.73.4±0.5<0.001Co-morbidity (%)25 (18.5)9 (39.1)0.02Conclusion:In our FMF patient cohort, we found that severity of the disease may be associated with higher frequency of co-morbidities. Therefore, clinicians should be aware of the high possibility of co-morbidities in patients with more severe FMF and addressed these co-morbidities timely and properly.References:[1]Demirkaya E, et al. Development and initial validation of international severity scoring system for familial Mediterranean fever (ISSF). Ann Rheum Dis 2016;75:1051-6.[2]Berkun Y, et al. Diagnostic criteria of familial Mediterranean fever. Autoimmun Rev 2014;13:388-90.Acknowledgments:NoneDisclosure of Interests:None declared

EDA-ID: a Severe Clinical Presentation Associated with a New IKBKG Mutation

2021 ◽  
Author(s):  
Coline Bret Puvilland ◽  
Bertrand Boisson ◽  
Mathieu Fusaro ◽  
Jacinta Bustamante ◽  
Yves Bertrand ◽  
...  
Keyword(s):  
Clinical Presentation ◽  
Severe Clinical Presentation

scholarly journals The hemocyte counts as a potential biomarker for predicting disease progression in COVID-19: a retrospective study

2020 ◽  
Vol 58 (7) ◽  
pp. 1106-1115 ◽  
Author(s):  
Yufen Zheng ◽  
Ying Zhang ◽  
Hongbo Chi ◽  
Shiyong Chen ◽  
Minfei Peng ◽  
...  
Keyword(s):  
Risk Factors ◽  
Platelet Count ◽  
Disease Progression ◽  
Neutrophil Count ◽  
Calibration Curve ◽  
Lymphocyte Count ◽  
Severe Disease ◽  
Clinical Impact ◽  
Predictive Tool ◽  
Potential Biomarker

AbstractObjectivesIn December 2019, there was an outbreak of coronavirus disease 2019 (COVID-19) in Wuhan, China, and since then, the disease has been increasingly spread throughout the world. Unfortunately, the information about early prediction factors for disease progression is relatively limited. Therefore, there is an urgent need to investigate the risk factors of developing severe disease. The objective of the study was to reveal the risk factors of developing severe disease by comparing the differences in the hemocyte count and dynamic profiles in patients with severe and non-severe COVID-19.MethodsIn this retrospectively analyzed cohort, 141 confirmed COVID-19 patients were enrolled in Taizhou Public Health Medical Center, Taizhou Hospital, Zhejiang Province, China, from January 17, 2020 to February 26, 2020. Clinical characteristics and hemocyte counts of severe and non-severe COVID patients were collected. The differences in the hemocyte counts and dynamic profiles in patients with severe and non-severe COVID-19 were compared. Multivariate Cox regression analysis was performed to identify potential biomarkers for predicting disease progression. A concordance index (C-index), calibration curve, decision curve and the clinical impact curve were calculated to assess the predictive accuracy.ResultsThe data showed that the white blood cell count, neutrophil count and platelet count were normal on the day of hospital admission in most COVID-19 patients (87.9%, 85.1% and 88.7%, respectively). A total of 82.8% of severe patients had lymphopenia after the onset of symptoms, and as the disease progressed, there was marked lymphopenia. Multivariate Cox analysis showed that the neutrophil count (hazard ratio [HR] = 4.441, 95% CI = 1.954–10.090, p = 0.000), lymphocyte count (HR = 0.255, 95% CI = 0.097–0.669, p = 0.006) and platelet count (HR = 0.244, 95% CI = 0.111–0.537, p = 0.000) were independent risk factors for disease progression. The C-index (0.821 [95% CI, 0.746–0.896]), calibration curve, decision curve and the clinical impact curve showed that the nomogram can be used to predict the disease progression in COVID-19 patients accurately. In addition, the data involving the neutrophil count, lymphocyte count and platelet count (NLP score) have something to do with improving risk stratification and management of COVID-19 patients.ConclusionsWe designed a clinically predictive tool which is easy to use for assessing the progression risk of COVID-19, and the NLP score could be used to facilitate patient stratification management.

Clinical, cellular, and molecular characterisation of cardiac rhabdomyoma in tuberous sclerosis

2021 ◽  
pp. 1-9
Author(s):  
Hamood N. Al Kindi ◽  
Ayman M. Ibrahim ◽  
Mohamed Roshdy ◽  
Besra S. Abdelghany ◽  
Dina Yehia ◽  
...  
Keyword(s):  
Tuberous Sclerosis ◽  
Clinical Features ◽  
Tuberous Sclerosis Complex ◽  
Potential Role ◽  
Severe Disease ◽  
Cardiac Rhabdomyoma ◽  
Urgent Surgery ◽  
Pathogenic Mutations ◽  
Personalised Treatment

Abstract Background: Rhabdomyoma is the most common cardiac tumour in children. It is usually associated with tuberous sclerosis complex caused by mutations in TSC-1 or TSC-2 genes. This tumour typically regresses by unknown mechanisms; however, it may cause inflow or outflow obstruction that necessitates urgent surgery. Here we investigate the clinical features and the genetic analysis of patients with tuberous sclerosis complex presenting with large rhabdomyoma tumours. We also investigate the potential role of autophagy and apoptosis in the pathogenesis of this tumour. Methods: All the patients with cardiac rhabdomyoma referred to Aswan Heart Centre from 2010 to 2018 were included in this study. Sanger sequencing was performed for coding exons and the flanking intronic regions of TSC1 and TSC2 genes. Histopathological evaluation, immunohistochemistry, and western blotting were performed with P62, LC3b, caspase3, and caspase7, to evaluate autophagic and apoptotic signaling. Results: Five patients were included and had the clinical features of tuberous sclerosis complex. Three patients, who were having obstructive tumours, were found to have pathogenic mutations in TSC-2. The expression of two autophagic markers, P62 and LC3b, and two apoptotic markers, caspase3 and caspase7, were increased in the tumour cells compared to normal surrounding myocardial tissue. Conclusion: All the patients with rhabdomyoma were diagnosed to have tuberous sclerosis complex. The patients who had pathogenic mutations in the TSC-2 gene had a severe disease form necessitating urgent intervention. We also demonstrate the potential role of autophagy and apoptosis as a possible mechanism for tumourigenesis and regression. Future studies will help in designing personalised treatment for cardiac rhabdomyoma.

P6461The long-term clinical comparisons of symptomatic patients of pulmonary embolism with and those without deep vein thrombosis: from the COMMAND VTE Registry

2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
K Murata ◽  
Y Yamashita ◽  
T Morimoto ◽  
H Amano ◽  
T Takase ◽  
...  
Keyword(s):  
Pulmonary Embolism ◽  
Deep Vein Thrombosis ◽  
Acute Phase ◽  
Clinical Presentation ◽  
Vein Thrombosis ◽  
Significant Difference ◽  
Severe Clinical Presentation ◽  
Recurrent Vte ◽  
Deep Vein

Abstract Background Venous thromboembolism (VTE), including pulmonary embolism (PE) and deep vein thrombosis (DVT), has significant morbidity and mortality. Acute PE, in particular, is fatal if we miss it, and symptomatic patients of PE sometimes have concomitant DVT. Purpose This study compared the risk of mortality in symptomatic patients of PE with and those without DVT in the long term. Methods The COMMAND VTE Registry is a multicenter registry enrolling consecutive 3027 patients with acute symptomatic VTE objectively confirmed by imaging examination or by autopsy among 29 centers in Japan between January 2010 and August 2014. Patients with both PE and DVT (N=1334) were regarded as PE patients, and the current study population consisted of 1715 PE patients and 1312 DVT patients. Results There were 1203 symptomatic patients of PE, including 381 without and 822 with DVT. In our cohort, the mean age was 67.9±14.9 years, 63% was female, 44% had hypertension, 12% diabetes mellitus, 5% history of VTE. There were 20% of active cancer. Baseline characteristics were well matched except for dyslipidemia (18% vs. 23%, p=0.021) and atrial fibrillation (8% vs. 5%, p=0.045). Patients without DVT had a more severe clinical presentation compared to those with DVT, including hypoxemia, shock and arrest. Moreover, Initial parenteral anticoagulation therapy in the acute phase was administered less frequently in patients without DVT (89% vs. 96%, P=0.0001). Two groups received thrombolysis (20% vs. 26%, P=0.18) and mechanical supports (Ventilator 14% vs. 5%, p<0.001, PCPS 5% vs. 3%, p<0.001, respectively). During follow-up, 93 (8%) patients experienced recurrent VTE events and 98 (8%) major bleeding events, and 323 (27%) patients died. The most frequent cause of death was cancer (11%). There were a significant differences in the cumulative incidences of all-cause death between the groups (32% vs. 24%, P=0.006), whereas there was significant difference in VTE-related death (13% vs. 4%, p<0.001). Estimated freedom rates from death for patients of PE without and those with DVT were as follows: 88% vs 99% at 10-day, 86% vs 95% at 1-month, 75% vs 83% at 1-year, and 64% vs 71% at 5-year, respectively. Landmark analysis Conclusions In symptomatic patients of PE, there was a difference in mortality between groups, but no difference in recurrent VTE. Patients without DVT had a more severe clinical presentation compared to those with DVT, and many VTE-related deaths in the acute phase. The one-month mortality rate differed statistically between groups, but there was no significant difference in long-term survival beyond one month. Most of deaths were due to underlying diseases, mainly cancer, and less commonly due to VTE in the long term. Acknowledgement/Funding Research Institute for Production Development, Mitsubishi Tanabe Pharma Corporation

scholarly journals Clinico-Pathological Findings of Bangladeshi Covid 19 Patients with their Clinical Outcome: Study of A Cohort of 201 Cases

2020 ◽  
pp. 37-42
Author(s):  
Nasir Uddin Ahmed ◽  
Md Azizul Islam ◽  
Md Anwarul Kabir ◽  
Md Habibur Rahman ◽  
SM Anwar Sadat
Keyword(s):  
Clinical Outcome ◽  
Respiratory Distress ◽  
Sore Throat ◽  
Respiratory System ◽  
Clinical Presentation ◽  
Severe Disease ◽  
Age Groups ◽  
Military Hospital ◽  
Human Beings ◽  
History Of

Introduction: COVID-19 is a major threat to human beings. Clinical characterization, rapid identification of cases and isolation are vital for containments of rapidly spreading disease. The objectives of the study were to evaluate the clinico pathologic profile of Covid 19 positive Bangladeshi patients and also to see their clinical outcome within defined period. Methods: This cohort study on 201 Bangladeshi cases was done in Combined Military Hospital, a tertiary level hospital in Dhaka, Bangladesh from April 2020 to May 2020. Total 201 COVID-19 cases were enrolled after getting the result positive for RT-PCR. After collection, data were analysed to show the characteristics of Covid 19 and their outcome after treatment. Results: Among 201 cases, 180 (90%) were male and 21 (10%) were female. The most prevalent affected age groups were 71 (35.5%) patients in 26-35 years age, 54 (27%) in 16- 25 years, 49 (24.5%) in 35-45 years. Mean age is 32.2±2. Among the total cases, 146 (73%) have positive history of contact, 37 (18.5%) have no history of any contact, 8 (4%) denied any contact with COVID-19 patients. Regarding clinical presentations, 67 (33.5%) patients presented with only one symptoms, 125 (62.5%) had multiple symptoms and 9 (4.5%) cases were asymptomatic. 154 (77%) patients presented with fever. Other presentations were cough 71 (35.5%), headache 27 (13.5%), myalgia 25 (12.5%), sore throat 25 (12.5%), malaise 15 (7.5%), respiratory distress 11 (5.5%). Respiratory system was the dominant domain of clinical presentation. Leukopenia was presented by 12 patients and 12 had lymphopenia. 18 patients had mild thrombocytopenia. Pulse oxymetry showed oxygen saturation below 88% in 12 cases. After oxygen therapy 7 cases were improved and 5 cases were shifted to Corona ICU as their saturation fell below 70. These 5 patients are categorised as severe disease, rest 196 patients were mild in nature. Conclusion: COVID 19 affects male more than female. Common symptoms are fever, cough, headache, myalgia, sore throat, malaise, respiratory distress. Respiratory system is the dominant domain of clinical presentation. ICU support was needed in 2.5 % cases and death rate was 1% which was associated with comorbidity of CKD. J Bangladesh Coll Phys Surg 2020; 38(0): 37-42

scholarly journals Patients with neuromyelitis optica have a more severe disease than patients with relapsingremitting multiple sclerosis, including higher risk of dying of a demyelinating disease

2013 ◽  
Vol 71 (5) ◽  
pp. 275-279 ◽  
Author(s):  
Denis Bernardi Bichuetti ◽  
Enedina Maria Lobato de Oliveira ◽  
Nilton Amorin de Souza ◽  
Mar Tintoré ◽  
Alberto Alain Gabbai
Keyword(s):  
Multiple Sclerosis ◽  
Neuromyelitis Optica ◽  
Disease Duration ◽  
Demyelinating Disease ◽  
Age Of Onset ◽  
Severe Disease ◽  
Expanded Disability Status Scale ◽  
Disability Status ◽  
Relapsing Remitting ◽  
Relapsing Remitting Multiple Sclerosis

Although neuromyelitis optica (NMO) is known to be a more severe disease than relapsing-remitting multiple sclerosis (RRMS), few studies comparing both conditions in a single center have been done.Methods:Comparison of our previously published cohort of 41 NMO patients with 177 RRMS patients followed in the same center, from 1994 to 2007.Results:Mean age of onset was 32.6 for NMO and 30.2 for RRMS (p=0.2062) with mean disease duration of 7.4 years for NMO and 10.3 years for RRMS. Patients with NMO had a higher annualized relapse rate (1.0 versus 0.8, p=0.0013) and progression index (0.9 versus 0.6, p≪0.0001), with more patients reaching expanded disability status scale (EDSS) 6.0 (39 versus 17%, p=0.0036). The odds ratio for reaching EDSS 6.0 and being deceased due to NMO in comparison to RRMS were, respectively, 3.14 and 12.15.Conclusion:Patients with NMO have a more severe disease than patients with RRMS, including higher risk of dying of a demyelinating disease.

scholarly journals 421. Effect of SARs-Cov-2 mRNA Vaccination in Healthcare Workers with Household COVID Exposure

2021 ◽  
Vol 8 (Supplement_1) ◽  
pp. S311-S311
Author(s):  
Laura Selby ◽  
Richard Starlin
Keyword(s):  
Healthcare Workers ◽  
Screening Program ◽  
Medical Center ◽  
Severe Disease ◽  
Academic Medical Center ◽  
Tertiary Care ◽  
Limited Data ◽  
Viral Shedding ◽  
Academic Medical ◽  
Significant Burden

Abstract Background Healthcare workers have experienced a significant burden of COVID-19 disease. COVID mRNA vaccines have shown great efficacy in prevention of severe disease and hospitalization due to COVID infection, but limited data is available about acquisition of infection and asymptomatic viral shedding. Methods Fully vaccinated healthcare workers at a tertiary-care academic medical center in Omaha Nebraska who reported a household exposure to COVID-19 infection are eligible for a screening program in which they are serially screened with PCR but allowed to work if negative on initial test and asymptomatic. Serial screening by NP swab was completed every 5-7 days, and workers became excluded from work if testing was positive or became symptomatic. Results Of the 94 employees who were fully vaccinated at the time of the household exposure to COVID-19 infection, 78 completed serial testing and were negative. Sixteen were positive on initial or subsequent screening. Vaccine failure rate of 17.0% (16/94). Healthcare workers exposed to household COVID positive contact Conclusion High risk household exposures to COVID-19 infection remains a significant potential source of infections in healthcare workers even after workers are fully vaccinated with COVID mRNA vaccines especially those with contact to positive domestic partners. Disclosures All Authors: No reported disclosures

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