International conference on vaccines against viral and rickettsial diseases.
D005260:Female; D006801:Humans; D008297:Male; D012282:Rickettsia Infections / Q000517:prevention & control*; D014612:Vaccines; D014765:Viral Vaccines; D014777:Virus Diseases / Q000517:prevention & control*
D014612:Vaccines; D014765:Viral Vaccines