"Poers of Infection" are -
Houseflies are commonest and familiar insects which live close to man. House flies are exceptionally efficient mechanical spreaders of disease. They transpo microorganisms on their feet and hairy leg. Pathogenic organisms, ova, and cysts have been recovered from bodies of the housefly. House flies are called 'poers of infection'. Most impoant are: Musca domestica,M.vicinia,M.nebulo,M.sorbens. REFERENCE: PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE, 25TH EDITION, PG NO. 834
Anopheles
Housefly
Aedes
Cockroaches
Environment and health