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disease-conditions

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Rabies from a Bat Scratch: Risks, Symptoms, and What to Do

Rabies from a bat scratch is possible but uncommon because rabies virus is present in saliva, not claws or fur. Transmission usually requires infectious saliva to reach nervous...

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Is Chagas Disease Contagious? Transmission, Risks, and Prevention

Chagas disease, caused by the parasite Trypanosoma cruzi, is primarily spread through the feces of infected triatomine bugs (kissing bugs) that enter bite wounds, the eyes, or t...

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Nipah Virus Outbreak 2025: What to Know Now

What: Nipah virus disease is a zoonotic henipavirus illness with encephalitis potential and high case fatality in outbreaks.

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Cases of Chikungunya: Understanding the Disease, Burden, and Ongoing Outbreaks

Chikungunya is a viral disease caused by the chikungunya virus (CHIKV), transmitted to humans primarily through the bites of infected Aedes mosquitoes, notably Aedes aegypti and...

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What to Know About an American with Ebola Virus Disease

An American with Ebola virus disease (EVD) is a rare but serious scenario that triggers coordinated public health and clinical responses. This overview outlines how EVD presents...

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