Abstract |
The overall objectives were to carry out 3,000 complement fixation and hemagglutination-inhibition tests on human sera. The four antigens were: Flu A-2/Japan; Flu A-2/Hong Kong/68; Flu B/Maryland; and Flu B/Massachusetts. A total of 3,170 serum samples were each tested with the four Flu antigens. In all tests performed, exactly 4 units of each antigen were used and serum controls were satisfactory. All HAI results are tabulated as the reciprocal of the highest serum dilution which completely inhibited agglutination. The complement fixation (CF) test was performed utilizing Influenza Group A and B soluble antigens. A total of 3,063 serum specimens were tested. All CF results are tablated together with the HAI results. (Author) |