Medical research

Aging lymph nodes: Seeking a solution for weakened immune systems

It is well established that older adults are more susceptible to infection and their immune systems less capable of generating a strong immune response. Now, a new University of Arizona Health Sciences-led paper explains ...

Diseases, Conditions, Syndromes

CDC estimates 3 in 4 kids have had coronavirus infections

Three out of every four U.S. children have been infected with the coronavirus and more than half of all Americans had signs of previous infections, Centers for Disease Control and Prevention researchers estimated in a report ...

Diseases, Conditions, Syndromes

WHO warns of virulent COVID variant risk

The World Health Organization on Wednesday laid out three possible paths that the COVID-19 pandemic might follow in 2022—with a new, more virulent variant the worst-case scenario.

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