**8. Disasters**

The water needs for disaster recovery identified relations between the amount of water provided and the diarrhoea and mortality rates, but emphasised the inadequacy of the data [91]. As responses to climate related emergencies influence subsequent morbidity and mortality, it is important to understand the impact of water, sanitation and hygiene (WASH) interventions on health outcomes in humanitarian crises. The current evidence base is limited, and is unsuitable for determining associative or causal relationships [92]. People living with HIV have a higher morbidity where there is contaminated water, poor hygiene and sanitation. Programs to improve these also improved morbidity [93].
