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The COVID-19 vaccines are on track for a big recipe change this fall The COVID-19 vaccines are on track for a big recipe change this fall. Today’s vaccines still contain the original coronavirus strain, the one that started the pandemic — even though that was long ago supplanted by mutated versions as the virus rapidly evolves. Thursday, the Food and Drug Administration's scientific adviser s said the next round of shots in the U.S. should only include protection against the newest variants that are now dominant worldwide — a branch of the omicron family tree named XBB. The FDA will make the final decision. Vaccine makers said during the meeting that they could have updated vaccines available within months, depending on the strain. While infections have declined, the virus could be a real concern next winter, FDA's vaccine chief Dr. Peter Marks said as the daylong meeting began. “We’re concerned that we may have another wave of COVID-19 during a time when the virus has furthe...

Zion Williamson is expected to miss several weeks after the All-Star break with a hamstring strain, New Orleans Pelicans vice president David Griffin told reporters Sunday. Williamson has been sidelined with a hamstring strain since January and was expected to be re-evaluated during the All-Star break. However, it appears his return will be a little bit further down the line after re-aggravating it.  Williamson was named an All-Star starter for the Feb. 19 Game due to his performance prior to the injury . But given he won't be available to participate, NBA commissioner Adam Silver announced that Domantas Sabonis will fill the starting role in the frontcourt in place of the Pelicans forward.  Williamson suffered a right hamstring strain during a Jan. 2 loss to the Philadelphia 76ers. He has been out ever since, and the Pelicans have struggled to stay afloat without him. They are 6-14 since he went down, and...