Add Yahoo as a preferred source to see more of our stories on Google. We usually think of COVID-19 as a viral illness that causes respiratory symptoms, like congestion, sore throat and a cough. But, ...

Viral skin rashes (also known as viral exanthems) can cause itching, irritation, and pain — and possibly symptoms like fever or fatigue. Unlike allergic rashes, which happen when your immune system ...

As winter melts away, the Aedes mosquito population rises with the temperature. When these mosquitoes puncture host skin to feed with their needle-like probosces, they often transmit pathogens like ...

Zika, a mosquito-borne virus first identified in 1947 in a Rhesus macaque monkey, continues to perplex scientists in many ways nearly 80 years later. While many people with a Zika virus infection ...

Researchers at the University of Iowa (UI) Health Care and colleagues at the Texas Biomedical Research Institute, and Boston University, used human skin explants to track the cellular route that the ...

You wake up with a scratchy throat and that vague feeling of unwellness. Is it just allergies? The start of a cold? Or something that might need antibiotics? Knowing the difference between viral and ...

Here’s what to know about the symptoms and spread of the virus, which has sickened people in the Democratic Republic of Congo and Uganda.

While it was previously thought that keratinocytes (skin cells) were only passive conductors that allow the rabies virus to ...