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Cold Sores, Unwelcome Companions
Stress, sun and sickness can make the immune system vulnerable to bouts with the herpes simplex virus.
No Symptoms, Still a Threat
People without symptoms are responsible for more than 50 percent of new COVID-19 cases. They need to be tested, too.
Progress on Peanut Allergies
Eighty percent of allergic children were able to eat a portion of peanuts without reaction after a year of small doses of peanut protein.
Do Colds Offer COVID-19 Protection?
Colds and viral pneumonia are common coronaviruses. If you've been infected by either, it may help protect you from the novel coronavirus.
Thinking about Zinc
Many people are seeking to boost their immune systems with zinc to help guard against COVID. Here's what this mineral can and can't do.
Does Your Mask Have the Right Stuff?
Engineers tested different types of face masks to see how well they prevented the spread of respiratory droplets.
Doctors Weigh in on Chloroquine
As a treatment for COVID-19 hydroxychloroquine is questionable and a danger to some. And then there are the lupus patients who need it.
Stay on the Sunny Side of COVID-19
Vitamin D is known as the sunshine vitamin. A deficiency seems to put people at greater risk of contracting Coronavirus.
Breastfeeding's Anti-Viral Effect
Breastfeeding, even a little, reduces the accumulation of dangerous viruses in babies' digestive tracts.
The Hunt for a COVID-19 Vaccine
A vaccine that stimulates the immune system is creating immunity to COVID-19 in mice.
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