1. Discuss pathogenicity and laboratory diagnosis of herpes simplex virus.
2. Describe briefly various cells of immune system. Discuss classification systems to differentiate lymphocytes.
3. Discuss the mechanism involved in type I hypersensitivity reaction. What type of agents can induce it? Discuss the laboratory evaluation and management of allergic reactions.
4. Describe the mechanism of cell mediated immunity.
5 . Write briefly on pathogenesis and laboratory diagnosis of meningococcal meningitis.