An international study led by Northwestern Medicine found that patients with long COVID-19 in countries such as the U.S. and ...

The timing of symptom onset depends on lots of factors, including the amount of virus to which someone was exposed, Hotez says. Their level of pre-existing immunity may also affect the likelihood or ...

With measles outbreaks, flu spikes, and COVID as a seasonal threat, learn key differences between these contagious diseases, ...

Add Yahoo as a preferred source to see more of our stories on Google. When you have a COVID-19 infection, you’re told to isolate and stay away from others until you’re better. But while many folks do ...

The research team used electronic health records data to divide patients into four groups to track symptoms across different obesity levels.

A large new study may help form some answers to those questions. In line with prior estimates, it finds that almost a quarter ...

Even years after infection, Long COVID may be quietly reshaping mental health. New research shows the emotional fallout can outlast the virus itself.

It's not easy to tell these health conditions apart based on their symptoms alone. Find out about the differences between these illnesses.

A toddler who had no symptoms has been diagnosed with a disease which attacks her brain and is turning her body 'to stone' ...

Cut off from established pathways for managing a chronic illness, many Vermonters with long Covid have reported living in a sort of permanent limbo. They have faced stigma and disbelief from loved ...