Can a booster shot block whooping cough bacteria?
Knowledge-focused
Ongoing
This study looks at whether a booster vaccine for whooping cough (pertussis) can reduce the amount of bacteria in the nose after intentional exposure. About 99 healthy adults who were vaccinated as children will receive either a pertussis booster or a control vaccine, then be exp…
Phase: PHASE4 • Sponsor: Dimitri Diavatopoulos • Aim: Knowledge-focused
Last updated May 17, 2026 13:25 UTC