Ebola virus, hantavirus and the pathogen that causes Covid-19 likely jumped from animals to humans. So do these viruses — and scientists say climate change is speeding their spread.
Ebola virus, hantavirus and the pathogen that causes Covid-19 likely jumped from animals to humans. So do these viruses — and scientists say climate change is speeding their spread.
The city of Belém in northern Brazil was overwhelmed by an outbreak of dengue two years ago. An all-out municipal effort has reduced cases and may offer lessons to American cities.
The city of Belém in northern Brazil was overwhelmed by an outbreak of dengue two years ago. An all-out municipal effort has reduced cases and may offer lessons to American cities.
A health worker discarding water from a larvicide dissemination unit in Belém, Brazil, last month.
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