Tsutsugamushi disease; attempted preparation of a prophylactic vaccine from fertile hens' eggs experimentally infected with the virus.
LEWTHWAITE
R
R
O'CONNOR
J L
JL
WILLIAMS
S E
SE
D000818:Animals; D002645:Chickens; D005260:Female; D005298:Fertility; D007109:Immunity; D012612:Scrub Typhus; D014612:Vaccines
D014612:Vaccines