FILE - Michelle Flandez stands in her home with her two-month-old son Inti Perez, woh is diagnosed with microcephaly linked to the mosquito-borne Zika virus, in Bayamon, Puerto Rico on Dec. 16, 2016. Climate hazards such as flooding, heat waves and drought have worsened more than half of the hundreds of known infectious diseases in people, such as zika, dengue, hantavirus, cholera and even anthrax, according to a new study released Monday, Aug. 8, 2022. (AP Photo/Carlos Giusti, File)