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41.      Which of the following statements regarding Acquired Immunodeficiency              Syndrome (AIDS) is False?  

51.  Which of the following is NOT a symptom of COVID-19?

64.  Which of these RNA  viruses is Naked and double  stranded?

36.       T-cytotoxic cells (CD8) recognize Ags in association with————and T-helper cells (CD4). cell recognize Ags in association with——————            

57.  Name 2 reservoirs of infection, and for each reservoir, name a disease associated with it.

12.       The time interval between the actual infection and first appearance of any signs             and symptoms of a disease is the:            

8.         A vaccine against this virus is recommended for 11-12-year-old girls.              

46.       The concept whereby the smaller number of unvaccinated persons are protected from                     infection by  those vaccinated in the community is called?  

61.  List 2 differences between Heath killed vaccine and Attenuated vaccine. a). b).  

34.      Pathogen Associated Molecular Patterns (PAMPs) are components on the pathogen to which the Toll-Like Receptors (TLRs) bind.