Further studies on the immunologic relationships among measles, distemper, and rinderpest viruses

Orvell, C.; Norrby, E.

Journal of Immunology 113(6): 1850-1858

1974


ISSN/ISBN: 0022-1767
PMID: 4139195
Document Number: 79583
The reaction between measles and canine distemper viruses prepared in Vero cells and acute, convalescent and hyperimmune sera against these viruses and rinderpest virus were studied in neutralization (NT), neutralization-enhancement (NE), immunofluorescence, immunodiffusion and CF tests. In addition, measles virus HI and haemolysis-inhibition (HLI) tests were carried out. The nucleocapsid components of the three viruses could not be distinguished by the immunological techniques employed. Serum samples against rinderpest virus contained HLI, HI, and NT antibodies against measles virus. In some samples of serum HLI antibodies were present in considerable excess over HI antibodies, and NT antibodies against distemper virus were also found. Serum samples against distemper virus also displayed measles HLI antibody activity, but no measles virus-specific NT antibodies were detectable. Low titres of HI and NE antibodies were found in some samples of serum. It is concluded that measles, distemper, and rinderpest virus share envelope antigens, which are more readily demonstrated in HLI than in HI tests with measles virus antigen.

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