(a(i))[2]
Define vaccination.
(a(ii))[2]
Define infectious disease.
(b)
TB is a major disease worldwide. Table 2.1 gives recent data for TB cases reported in one year across six different countries.
(c)[3]
Describe how a person may get TB.
(d)[2]
Suggest why TB is more likely to be fatal in people who have HIV/AIDS than in people who do not have HIV/AIDS.