1.
Detection, typing and subtyping of enteric adenoviruses 40 and 41 in fecal samples, and observation of changing incidences of infections with these types and subtypes.
2.
Further characterization of an antigenic site of HIV-1 gp120 recognized by virus neutralizing human monoclonal antibodies.
The use of enzyme-linked immunosorbent assay systems for the serology and antigen detection in parvovirus, coronavirus and rotavirus infections in dogs in The Netherlands.
Class and subclass distribution of hantavirus-specific serum antibodies at different times after the onset of nephropathia epidemica.
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