even in mice that received reduced amounts of a primary vaccine ( 0.03 microgram ) [ prepared from virus pr-8 , a/yamagata/120/86 ( h1n1 ) or a/fukuoka/c29/85 ( h3n2 ) ] together with reduced amounts of ctb ( 0.05 microgram ) , the subsequent inoculation of pr-8 vaccine produced both nasal iga and serum hi antibodies and provided complete protection against homologous a-type virus ( pr-8 ) infection .
C2825347
iga
C0003241
antibodies