Day-to-day variations in temperature also appear important. For Australia, increases in emergency room visits for childhood pneumonia are associated with sharp temperature drops . Large inter-daily changes in temperature are important for respiratory disease incidence in Guangzhou, China  and Shanghai  while rapidly changing and extreme temperatures during pregnancy have been linked to childhood pneumonia . In tropical and subtropical areas of Africa and Asia, pneumonia incidence has been reported to be higher during the rainy season, pointing to a positive association between pneumonia patterns and temperature and precipitation .
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report