Mounting evidence points to a link between new-onset allergies and Long COVID, with mast cell activation syndrome as a ...

How long COVID develops is still largely unknown. New molecular connections are revealed in a recent study led by the Center for Individualized Infection Medicine (CiiM), which is a joint institution ...

Patients across the world have been experiencing lasting symptoms after a COVID-19 infection, which we’ve come to know as ...

It has been nearly six years since the start of the COVID-19 pandemic, and one of the many questions doctors are still ...

In a new study, researchers report that even those who improve continue to see ups and downs that impact their quality of ...

A doctor warns of 'double COVID' as UK cases rise. Learn about the terrifying razor blade symptom, the latest Nimbus variant, ...

A study of patients in the United States, Colombia, Nigeria and India is first to compare long COVID-19 brain symptoms across ...

The COVID-19 pandemic gave us tremendous perspective on how wildly symptoms and outcomes can vary between patients ...

Separate courts have rejected two new attempts to undermine immunity protections granted elected officials or skilled nursing providers during the COVID-19 pandemic.

With COVID cases already spiking and the new vaccine rolling out, confusion abounds, but one Bay Area health care provider is clearing things up for its patients. Americans have been receiving ...

Add Yahoo as a preferred source to see more of our stories on Google. With a little help, your immune cells can be potent tumor killers. Steve Gschmeissner/Science Photo Library via Getty Images The ...

New FDA approval language for COVID-19 vaccines is sowing confusion about which conditions put people at greater risk for severe disease and who can avoid the inconvenience and cost of off-label ...