White House COVID-19 adviser Anthony Fauci said he is confused as to why booster rates are lagging and said he doesn’t “have an easy explanation” for the phenomenon. When asked by a reporter on Wednesday about why fully vaccinated individuals aren’t getting as many boosters, Fauci noted that “about half” of all eligible Americans have received booster doses so far. Fauci made the remarks alongside COVID-19 response coordinator Jeff Zients at a White House briefing. “Why would people who had enough understanding of the risk to go ahead and get the primary series—why we don’t have more getting the booster,” Fauci, the head of the National Institute of Allergy and Infectious Diseases since 1984, said in response. “I don’t have an easy explanation for that.” Fauci said that he believes that federal health data suggests that it is “stunningly obvious” that vaccinated people should get a booster dose. “So, the …