FDA shortens the wait time between Moderna vaccine and booster to 5 months

The period between getting the Moderna COVID-19 vaccine and the first booster shot has been shortened to five months from six for people ages 18 and up, the Food and Drug Administration says.

The FDA's announcement Friday comes as the highly contagious omicron variant is spreading rapidly around the country and immunity from the first round of vaccines is fading. Over the weekend, more than one million people in the U.S. who were diagnosed with COVID-19.