The Biden administration has proposed using a less common injection method that would allow a single dose of the monkeypox vaccine to be split into five.
Tomato flu, which medical experts say is not considered life-threatening, gets its name from the painful red blisters that enlarge to the size of a tomato.
It’s a phenomenon known by the forbidding name of original antigenic sin, and, in the case of the coronavirus, it prompts a constellation of questions.