Which of the following causes plague?
Trichinella spiralis
Salmonella typhimurium
Yersinia pestis
Xenopsylla
$A$ person who met with road accident is likely to develop tetanus he is immunised by administering
Which of the following set is of vector host
Leprosy is diagnosed by which of the following set of symptoms
Drugs that cause malformations in embryo during pregnancy are called
Malarial parasite is