CURRENT AFFAIRS

Detailed explanation-1: -Residency in Delhi conferred a higher frequency of seropositivity 26.5% (95% CI 19.3-34.7) as compared to that of other states 8% (95% CI 3.0-16.4) with p value 0.001.

Detailed explanation-2: -The crude seroprevalence was 87.99% (95% CI 89.1, 89.8). The seroprevalence weighted for age and sex was 88% (95% CI 87.6, 88.4). The weighted seroprevalence in the districts ranged from 84.9% (South-West district) to 90.8% (East district) (Table 1).

Detailed explanation-3: -Results. A total of 28, 491 laboratory samples were collected, out of which 27, 811 were successfully processed in the laboratories. There were 24, 895 (89.5%) samples detected having IgG SARS-CoV-2 antibodies. The crude seroprevalence was 89.5% (95% CI 89.1, 89.8).

Detailed explanation-4: -Sero-surveillance of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) can reveal trends and differences in subgroups and capture undetected or unreported infections that are not included in case-based surveillance systems.

Detailed explanation-5: -In response, Labcorp has updated the reportable range of its semi-quantitative assay from 2500 Units/mL to 25, 000 Units/mL to support reporting of levels higher levels of antibodies.