"besmettelijke ziekten." . . . . "virologie." . . "Virologie." . "pokken." . . "Virus Diseases." . . "Algemene virologie." . . "virussen (biologie)" . . "immunologie." . . . "Viruses and Man" . "Viruses and man" . "Viruses and man"@en . . . . . . . . . . . "I virus e l'uomo" . "I virus e l'uomo"@it . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Viruses and Man. [With plates.]"@en . . . . "geneeskunde." . . "Maladies infectieuses." . . "fysiologie." . . "Viruses." . . "Medische microbiologie, virologie, parasitologie." . . "mazelen." . . "Virus Research Histoire." . . "biologie." . . "influenza." . . "vaccins." . .