Following accounts of potential allergies to the COVID-19 vaccines produced by Pfizer-BioNTech and Moderna scientists have outlined steps on safely receiving the second dose of the therapeutic in individuals who develop a reaction to their first dose. With the vaccine being administered in many corners of the world questions abound about who can safely get them. Expect answers to those questions to evolve as the vaccines go into broader use. But here’s what is known so far and what experts at or advising the Centers for Disease Control and Prevention recommend regarding their use at this point. Can People With