As Covid-19 started to spread across the United States earlier this year, dermatology offices began to see suspicious signs on some patients' skin: Red or purple toes, itchy hives, mottled bumps on ...

We usually think of COVID-19 as a viral illness that causes respiratory symptoms, like congestion, sore throat and a cough. But, like a surprising amount of other viruses, the coronavirus can also ...

As more people are diagnosed with COVID-19, new and surprising symptoms of the respiratory illness caused by the novel coronavirus keep coming to the surface. First, it was an intense loss of smell ...

Cases of the variant have surged between August and September as we move into winter ...

Five years on, scientists are starting to understand how the virus can lead to long-term, sometimes invisible changes. Credit...Ibrahim Rayintakath Supported by By Dani Blum Nina Agrawal and Alice ...