Unfortunately about 2.5 million displaced who have been around in different areas in not a well prepared living situation, and this in itself, is a high risk area of mosquito breeding, of outbreaks of malaria, outbreaks of dengue.
The climate crisis has already uprooted millions in the US – in 2018, 1.2 million were displaced by extreme conditions, fire, storms and flooding; by 2020, the annual toll had risen to 1.7 million people.