True about HIV epidemiology -
Key facts about Epidemiology of HIV infection Reservoir: Cases and carriers Source: Virus is in greatest concentration in blood, seen and CSF (Lower concentrations in tear, saliva, breast milk, urine, cervical and vaginal secretions) Children under 15 years make only 3% cases Basic modes of transmission Sexual Blood and blood products Neddles/syringes Mother to child transmission (MTCT) Incubation period : few months to 10 years Ref: Park 25th edition Pgno : 363-367
Children rarely affected
<10% of HIV infected person progress to AIDS
Southern africa have 72% of total global burden
Seminal secretion is more infectious than vaginal secretion
Communicable diseases