*Mean and percentiles 25%–75%. **Not all subjects returned for 9- and 12-months follow-up visits. Carbon monoxide concentration expressed in ppm. High = Subgroup of subjects with high anti-nicotine an
Plasma was obtained from 13 donors, 12 of which had been previously vaccinated within the past 5 years with trivalent or quadrivalent seasonal influenza vaccines. Plasma baseline anti-influenza IgG wa
In 2013, national serosurveillance detected a high seroprevalence of antibodies to pertussis toxin (PT) from Bordetella pertussis among Japanese adults. Thus, we aimed to determine the cause(s) of thi
