| atypical measles |
a severe form of measles occurring after exposure to wild measles virus in those who previously received inactivated (killed) measles vaccine, which was only available in the United States from 1963 to 1967, and in some cases live attenuated measles vaccine. ...
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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