COVID-19 Vaccines Should be Updated to Target Omicron Variant, FDA Committee Says.

The article discusses proposed change in Covid-19 vaccine to be effective against Omicron variant by Food and Drug Administration (FDA). Topics discussed include coronavirus case in the U.S. from the omicron variant and the effect of original coronavirus vaccines and booster shots against it, Moderna and Pfizer work on their omicron-specific shots, and Peter Marks, the FDA's top Vaccine officials' statement on vaccine shots being administered.