malarial diseasemalaria is a disease known since

Question

Malarial disease

1. Malaria is a disease known since ancient times almost from 5th century B.C.
2. The word malaria actually means bad air.
3. It was believed that malaria is caused by bad air.
4. Laveran discovered the malarial parasite in the year 1880.
5. Mason in the year 1894 predicted that mosquitoes might transmit malaria.
6. Sir Ronald Ross in the year 1897 confirmed that mosquitoes transmit malaria.
7. Malaria is caused by a protozoan parasite called plasmodium.
8. There are four distinct species of plasmodium - P. vivax, P. falciparum, P. malariae and P. ovale.