Are Delta Symptoms Different?

Two years ago, a sneeze or a cough wouldn’t have been cause for concern, but now even the mildest of symptoms can leave us wondering, “Do I have Covid?” Early in the pandemic, we learned about the hallmark signs of infection, which can include loss of taste and smell, fever, cough, shortness of breath and…

Why Not Just Tell Everyone to Wear Masks?

An internal presentation circulated within the Centers for Disease Control and Prevention last month, and eventually obtained by news organizations, offered clear advice for countering the contagious Delta variant: “Given higher transmissibility and current vaccine coverage, universal masking is essential.” But the recommendation issued by the agency was considerably more nuanced, advising Americans, vaccinated or…