関連ワード:
if you had whooping cough as a child can you get it again if you had whooping cough as a child can you get it again as an adult if you've had whooping cough as a child can you get it again can a child get whooping cough twice can you get whooping cough again if you've already had it can you get whooping cough if you've already had it can you get whooping cough twice
