The Centers for Disease Control and Prevention (CDC) has pushed back an emergency meeting on post-vaccination heart inflammation seen in Americans, primarily young people, because of a new federal holiday. President Joe Biden signed a bill on Thursday making Juneteenth a new holiday. Shortly afterwards, the CDC said its June 18 meeting “is being rescheduled due to the observation of the Juneteenth National Independence Day holiday.” The meeting, which was deemed an emergency when announced last week, will now be folded into a June 23 to June 25 virtual meeting, the CDC said. The agency did not immediately respond to a request for comment. CDC officials planned to present to the agency’s vaccine advisory panel updated information on myocarditis and pericarditis in people who have received a COVID-19 vaccine. A CDC official told members of the Food and Drug Administration’s vaccine advisory committee on June 10 that more than 800 reports …