By Marie Rosenthal
Omicron not only rapidly took over as the leading cause of COVID-19 in the United States, but it also played havoc with the treatment armamentarium, with several agents not working nearly as well as they did before—and some not working at all.
In addition, the FDA approved new treatments, which the Infectious Diseases Society of America’s (IDSA’s) guidelines panel reviewed, before updating the recommendations, explained Rajesh T. Gandhi, MD, a professor