Related Questions

Jaskirat said to Rajat that he got a blood test done for Malaria. Rajat said 'there are a lot of mosquitoes in my house these days, but I did not get malaria." Why do you think that Rajat did not get Malaria and Jaskirat did?
Widespread resistance of the malarial parasites to drugs like chloroquine has prompted attempts to develop a malarial vaccine to combat malaria. Why is it difficult to develop an effective malaria vaccine?