There is increasing evidence of the role of extreme events in disease outbreaks  . Heat waves have been associated with outbreaks of helminth pathogens, especially in sub-Arctic and Arctic areas. For example, a severe outbreak of microfilaremia, a VBD spread by mosquitoes and flies, plagued reindeer in northern Europe following extreme high temperatures . More frequent and severe extreme events such as floods, droughts, heat waves and storms can either increase or decrease outbreaks, depending upon the region and disease  . Heavy precipitation events have been shown to increase some infectious diseases with aquatic life-cycle components such as mosquito-borne, helminth, and rodent-borne diseases  . Conversely, flooding also increases flow rate and decreases parasite load and diversity in other aquatic wildlife  and can reduce mosquito abundance by flushing them out of the system .
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report