Rickettsial vaccines.
D001428:Bacterial Vaccines; D006801:Humans; D007306:Insecticides; D008887:Military Medicine; D011778:Q Fever / Q000517:prevention & control; D012281:Rickettsia; D012282:Rickettsia Infections / Q000517:prevention & control*; D012286:Rickettsia typhi; D012612:Scrub Typhus / Q000517:prevention & control; D013984:Tick Infestations; D014438:Typhus, Epidemic Louse-Borne / Q000517:prevention & control; D014611:Vaccination; D014776:Virus Cultivation
D001428:Bacterial Vaccines; D007306:Insecticides