Antibody responses to type-specific and "virus-infection-associated" antigens in cattle vaccinated with inactivated polyvalent foot and mouth disease virus in North Malawi.
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Biomedical subjects
Publications and source records attributed to A A Pinto.
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The antigenic characteristics of the two FMDV plaque size variants ASQ-PG and ASQ-Pp were studied by serum neutralization kinetics. The results evidentiated that the antiserum ASQ-PG and ASQ-Pp neutralized both variants at the same extent. The plaque population of these variants after passage in laboratory animals was compared in IB-RS-2 cells.
The immune response to virus-infection-associated (VIA) antigen was studied in 379 Indian buffalos (Bubalus bubalis). These animals were vaccinated three times a year with commercial acetylethyleneimine (AEI)--inactivated foot-and-mouth disease vaccines under field conditions. Two months after the last vaccination, antibody against virus-infection-associated (VIA) antigen was found in 23 per cent. Foot-and-mouth disease virus -- (FMDV) type C "Waldmann" was isolated from oesophageal/pharyngeal fluid of 7 samples buffalos.
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