... small sample size, and the lack of racial disparity. All the subjects were Caucasian and in good health. It could be that the immunoglobulin anti-viral responses may differ in vaccinated subjects ... virus-specific antibodies in saliva consist of SIgA1, which is first detected 5-7 days after vaccination, and the elevated antibody response lasts for 3-5 days [19, 31]. However, an increase of H1N1 and ... Delfraro A, Borthagaray MD, Velazques B, Gar-cia-Barreno B, Hortal M. Evaluation of immunoglobulin E-specific antibodies and viral antigens in nasopharyngeal se-cretions of children with respiratory...