Associated seroconversions to respiratory viruses in volunteers with experimental influenza infection.
Serological examinations of 573 volunteers with mild experimental influenza infection and 86 volunteers of a control group hospitalized in a special clinic revealed a significant rise in the titre of antibodies (seroconversion) not only to influenza A or B viruses used for the experimental infection but in 23.3 to 29.8% of cases also to other respiratory viruses. Based on a number of arguments, associated seroconversions are interpreted as due to mixed or sequential infections of different aetiology.
Associated seroconversions to respiratory viruses in volunteers with experimental influenza infection. Serological examinations of 573 volunteers with mild experimental influenza infection and 86 volunteers of a control group hospitalized in a special clinic revealed a significant rise in the titre of antibodies (seroconversion) not only to influenza A or B viruses used for the experimental infection but in 23.3 to 29.8% of cases also to other respiratory viruses. Based on a number of arguments, associated seroconversions are interpreted as due to mixed or sequential infections of different aetiology.