This will inform actions to improve early warning systems for climate-related disease outbreaks (e.g. malaria) and establishing contingency plans to develop climate change- resilient health systems. Public health systems will be strengthened by building hospitals (including regional referral hospitals) and supplying them with medicine, equipment and personnel trained on treating climate-related diseases. Adapting Vulnerable Communities to Climate Change. Poverty is a determining factor of climate change vulnerability in South Sudan.