Mosquitoes are vector for which of the following pairs of diseases ?

Which of the following pairs are not viral diseases?

Haemozoin is a toxic substance formed in case of malaria. It is produced by

Which of the disease is not transmitted by house flies

Injections of antitoxin or toxoid serum is given to prevent

When the children without $T-$ cells and $B-$ cells are kept in germ free isolation suits, then the disease is