HRSV re-infections.

*Primary and secondary infections were caused by both strains of GB13 genotype **For 1 of the 4 re-infected patients, primary and secondary infections were caused by strains of GA2 genotype. For the other reinfections, genotypes of the primary and/or secondary strain are undetermined since G gene nucleotide sequence was not available. Epidemic season of primary, secondary or tertiary infection are indicated between brackets. All secondary infections occurred within 2 to 24 months. The tertiary infection occurred after 11 months (B–A–A).