No abstract

SUMMARYForty-one strains of adenovirus type 19/37 (Adl9/37) mainly isolated from patients with keratoconjunctivitis or conjunctivitis between 1974 and 1984 were re-evaluated by serum neutralization (SN), haemagglutination inhibition (HI) and DNA restriction analysis. Of 19 isolates which were neutralized to high titre by antiserum prepared against prototype Adl9, 5 showed cross-reactivity with 32-64 units of Ad37 antiserum, while of 22 strains neutralized to high titre by Ad37 antiserum, 3 showed cross-reactivity with 32 units of Adl9 antiserum. By DNA restriction analysis, all Adl9 isolates were identical to each other and to Adl9A virus. Using endonuclease Bgl 1, three variants were observed among the Ad37 isolates.