July 5 (Reuters) - CDC :
* U.S. CDC SAYS OMICRON SUBVARIANT BA.4 REPRESENTS 16.5% OF TOTAL COVID-19 CASES IN THE UNITED STATES, AS OF WEEK ENDING JULY 2
* U.S. CDC SAYS OMICRON SUBVARIANT BA.5 REPRESENTS 53.6% OF TOTAL COVID-19 CASES IN THE UNITED STATES, AS OF WEEK ENDING JULY 2