Transmission of Malaria:-
Malaria is caused by the toxins produced in the human body by the malarial parasite (plasmodium).
The infective stage of plasmodium is a minute organism called sporozoite. When the mosquito bites man, sporozoites present in the salivary gland of female Anopheles mosquito are injected into the blood of the man.
Transmission of Pneumonia:-
The disease spreads by sputum of the patient. Incubation period is just 1-3 days.
