Pathogens Spread Further and Faster in Warming World, Study Says

  • People displaced by severe weather adding to spread of disease
  • Dengue virus cases reached the highest annual number in 2024

Dengue virus particles.

Source: NIAID
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More than half of human pathogens may be aggravated by climate change and this is accelerating disease transmission, according to a new report.

It’s already been a record year for new and amplified epidemics, with adverse weather raising the risk of illnesses as droughts and floods hurt water quality and the availability of food, according to the study released by a team of more than 100 scientists and policymakers Thursday.