The majority of whooping cough cases occur in whom today?
Answer: Classically unimmunized infants younger than 1 year. However, in the last 10 years adolescent and adult infections are more common than infant infections.
Answer: Classically unimmunized infants younger than 1 year. However, in the last 10 years adolescent and adult infections are more common than infant infections.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.