title: Aetiology of keratoconjunctivitis in epidemic and non-epidemic periods.
mesh_terms: D000256:Adenoviridae / Q000302:isolation & purification; D000257:Adenoviridae Infections / Q000453:epidemiology*; D006385:Hemagglutination Inhibition Tests; D006561:Herpes Simplex / Q000453:epidemiology; D006801:Humans; D006814:Hungary; D066298:In Vitro Techniques; D007637:Keratoconjunctivitis / Q000453:epidemiology* / Q000209:etiology*; D009500:Neutralization Tests; D018139:Simplexvirus / Q000302:isolation & purification