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As the pandemic continues, doctors and researchers are learning more about the symptoms of COVID-19. And, as it turns out, some of them -- like rashes -- may be easy to see. One of the most widely talked about skin findings related to coronavirus infection is the so-called "COVID toes" syndrome. Dr. Ginette Okoye, chair of the department of dermatology at Howard University, described these as "a reddish-purple discoloration on the toes, accompanied by swelling and pain." Like many other symptoms of the virus, COVID toes are caused by "inflamed blood vessels." Having COVID toes is not necessarily a cause for alarm, in fact, Okoye said it can be "a sign that your body is mounting a good immune response to the SARS-CoV2 virus, since it tends to occur in patients with otherwise mild COVID sym...

Scientists estimate that near-universal mask use could make a major difference in bringing down coronavirus infections in the United States. Sean Gardner/Getty Images hide caption toggle caption Sean Gardner/Getty Images Scientists estimate that near-universal mask use could make a major difference in bringing down coronavirus infections in the United States. Sean Gardner/Getty Images ...

A new study says the number of coronavirus infections in the U.S. could be as many as 2 to 13 times higher than what has been officially reported. With 3.9 million confirmed cases and more than 142,000 deaths, the U.S. is already at the epicenter of the global pandemic. "That really, really points to the fact that a large number of infections have gone undetected," internal medicine specialist Dr. Neeta Ogden told CBSN anchors Vladimir Duthiers and Anne-Marie Green. "There is a huge gap in terms of what we thought the number of cases were and how many people are truly infected."  The study, published in JAMA Internal Medicine, looked for antibodies to the coronavirus in blood samples from just over 16,000 people at 10 different sites across the United States. The samples were colle...