Explain how defence against infection can be artificially enhanced

it is biology report health and disease. LO 1.1. Discuss and illustrate, using relevant examples, how diseases may be categorised in different ways.
LO 3.1. Explain how defence against infection can be artificially enhanced.
LO 3.2. Evaluate the effectiveness of these processes in reducing the occurrence of named Research and report on one viral(HIV), one bacterial(TB) and one parasitic (malaria) disease.
For each disease:
a) Give mode of transmission
b) Give symptoms and impact on the human body, KEEP TO MINMAL.
c) Evaluate the effectiveness of means of prevention and control in global populations, EXPAND HERE AND MORE DETAIL.