The following is a summary of “Estimating standard-dose and high-dose Fluzone vaccine efficacies for influenza A based on HAI ...

Presence of rubella-specific hemagglutination inhibition (HAI) or enzyme immunoassay antibodies after nine months of age is diagnostic of congenital infection. [36] The prevention of congenital ...

158 (52.6%) tested positive for influenza A(H1N1) 2009 via hemagglutination inhibition assay using a ≥ 1:40 dilution cut-off. 86 people (54.4%) tested positive for H1N1 but did not report ...