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10.1016/j.vaccine.2020.10.094

http://scihub22266oqcxt.onion/10.1016/j.vaccine.2020.10.094
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33189428!7641879!33189428
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suck abstract from ncbi


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pmid33189428      Vaccine 2021 ; 39 (6): 886-888
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  • Duration of anti-SARS-CoV-2 antibodies much shorter in India #MMPMID33189428
  • Kumar N; Bhartiya S; Singh T
  • Vaccine 2021[Feb]; 39 (6): 886-888 PMID33189428show ga
  • Seroprevalence survey, for antibodies to SARS-CoV-2, of healthcare workers (HCW) working in three Government run hospitals in Mumbai was carried out in June 2020. Among the 801 HCWs tested, seroprevalence was 11.1%. Males (13.5% vs. 8.9% in females) and ancillary workers (18.5% vs 6.9% in doctors and nurses) were more likely to be seropositive. Sixty-two (7.74%) had been previously diagnosed with RT PCR test for SARS-CoV-2. Of these, 44 (71%) were seronegative. Upto 28 days after a positive PCR test, 90% of subjects were found to be seropositive. This reduced to less than half (38.5%) between 29 and 42 days. None of 28 infected HCWs who had the RT-PCR more than 50 days ago tested positive for antibodies. It seems likely that cellular immunity plays a larger role in defence against the illness.
  • |Adult[MESH]
  • |Antibodies, Viral/*blood[MESH]
  • |COVID-19 Nucleic Acid Testing[MESH]
  • |COVID-19 Serological Testing[MESH]
  • |COVID-19/blood/*epidemiology/*immunology[MESH]
  • |Comorbidity[MESH]
  • |Female[MESH]
  • |Health Personnel/statistics & numerical data[MESH]
  • |Hospitals[MESH]
  • |Humans[MESH]
  • |India/epidemiology[MESH]
  • |Male[MESH]
  • |Middle Aged[MESH]
  • |Seroepidemiologic Studies[MESH]
  • |Surveys and Questionnaires[MESH]
  • |Time Factors[MESH]


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