Index case refers to
First case of a communicable disease introduced into the population unit being studied Primary case First case to come to attention of investigator Index case Developing from contact with primary case Secondary case An individual who has signs and symptoms connected to the suspected pathogens Suspect case
First case of a communicable disease introduced into the population unit being studied
First case to come to attention of investigator
Developing from contact with primary case
An individual who has signs and symptoms connected to the suspected pathogens
Epidemiology