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Who should get the COVID-19 vaccine first?

When effective COVID-19 vaccines are developed, their supply will inevitably be scarce. The World Health Organization (WHO), global leaders, and vaccine producers are already facing...

Many animal species can be vulnerable to COVID-19 infection

In a new study, researchers found humans are not the only species facing a potential threat from SARS-CoV-2, the novel coronavirus that causes COVID-19. The...

Exercise may reverse age-related memory loss

Exercise is important for your body and your brain at any age. A new study reveals how physical activity may slow the decline in...

COVID-19 less deadly and causes milder symptoms in children: New evidence

In a new study, researchers found children and teenagers are less likely than adults to develop severe COVID-19 or die from the disease. They also...

Scientists find more lasting immunity against COVID than previously believed

In a new study, researchers found that immunity to the disease may not be as fleeting as first thought. Among 30,000 Icelandic residents who were...

Scientists find the cause of higher COVID-19 death rate in obese people

In a new study, researchers found that there are overlaps between the immunological disturbances in both COVID-19 disease and patients with obesity. This finding could...

Bacteria in mouth may lead to spread of colon cancer

A recent study from Virginia Tech found that one of the common bacteria living in the human mouth can potentially cause existing cancer cells...

Scientists find possible blood-clotting cause in COVID-19

Why so many COVID-19 patients get blood clots (thrombosis) remains uncertain. In a new study, researchers have identified a mechanism they believe to be implicated. A...

Cholesterol-lowering drugs may strongly reduce death risk in older people

Many studies have shown that statins can prevent heart attacks, strokes, and death in middle-aged adults. But in 28 major clinical trials of statins, only...

What to expect when COVID-19 meets flu season

The return of “hoodie weather” tells us autumn is just around the corner. So, too, is influenza season. And this year, the flu will...