New Malaria Case Prompts Testing of Mosquitoes in New Jersey

A Morris County resident may have contracted the illness locally, which would be the first known instance in decades of someone being exposed while in the state.

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Cases of Mosquito-Borne Chikungunya Virus Are Surging Globally: What to Know

Chikungunya, which can disable victims for years, is spreading rapidly, including in China and other places that have not seen it before.

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The Unseen Health Dangers of Floodwaters

Even if the water looks safe, it could be filled with sewage and other hazards.

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China’s Fight Against Chikungunya Virus Tests a City’s Post-Covid Patience

The authorities are inspecting homes, tracking purchases of fever medicines and deploying drones as they urge people to join an eradication campaign that echoes Covid measures.

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