In the hours after President Trump confirmed he had Covid-19, his symptoms were described as mild. Even once he had a fever and a cough, they were still mild. But one of the factors that makes ...

The Omicron variant is now practically everywhere in the U.S., causing more than 95% of COVID-19 cases in the country. And, because this variant is so highly infectious, cases of the virus have ...

Patients with underlying medical conditions are at increased risk for severe coronavirus disease 2019 (Covid-19). Whereas vaccine-derived immunity develops over time, neutralizing monoclonal-antibody ...

Mild anemia can have several causes, including iron or B12 deficiency, chronic illness, or pregnancy. Anemia is very common, affecting up to one-third of the world’s population. Mild anemia occurs ...