True about carriers -
Ans. is 'b' i.e., Serves as source of infection o A carrier is defined as 41an infected person or animal that harbours a specific infectious agent in the absence of clinical disease and serves as a potential source of infection ".o As a rule carriers are less infectious than cases, but epidemiologically they are more dangerous than cases because they escape recognition, and continuing as they do to live a normal life among the population or comunity, they readily infect the susceptible individuals over a wider area and longer period of time.
Infectious Disease Epidemiology
Infection with clinical symptoms
Serves as source of infection
More infectious than cases
Less dangerous than cases
Serves as source of infection