'Oscillating' or 'circular' migration for migrant workers in urban and mining centres drove HIV transmission in the 1990s and 2000s , and climate-related displacement may have similar effects . Food insecurity and nutritional deficiencies, projected to increase with increasingly variable climates, has been shown to increase sexual risk- taking and migration, as well as increase susceptibility to other infections . Projected increases in exposure to infectious diseases pose considerable threats to HIV-infected people who may already have compromised immune function. Additionally, reduced lung function in people with HIV from previous tuberculosis infection may put
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report