How to prevent whooping cough?
It is an infectious disease caused by Hordetella pertussis. It occurs in young children. It is characterized by mild fever and irritating cough.
It is an infectious disease caused by Hordetella pertussis. It occurs in young children. It is characterized by mild fever and irritating cough.
It is an acute infectious disease common among the young children in our country it occurs endemically and epidemically.