The subvariant BA.5 made up 65% of U.S. coronavirus cases over the week ending Saturday. A month ago, it made up 17% of cases.
Luke Money
New ultra-contagious Omicron subvariants BA.4, BA.5 worsening California coronavirus wave
Subvariants BA.4, BA5 are ultra-contagious and capable of reinfecting those who have survived earlier Omicron infection
This new California coronavirus wave isn’t sticking to the script: Big spread, less illness
Despite the latest surge in coronavirus cases, the impact on hospitals has been relatively minor and COVID-19 deaths have remained fairly low and stable.
Another bummer coronavirus summer for California? Cases keep rising along with concerns
Another bummer coronavirus summer for California? With cases on the rise, the state finds itself in a familiar, if frustrating, position.
California COVID-19 deaths near 90,000, but the per capita rate is among lowest in U.S.
No state has suffered more pandemic-related deaths than California. However, on a per capita basis, California has the 11th-lowest COVID-19 death rate.
Here we go again: California coronavirus cases rising. Is a new wave coming?
Coronavirus cases have risen by nearly 30% in California over the past week. Hospitalizations are up, too.
Kamala Harris testing positive for coronavirus underscores rising cases in California
The announcement that Vice President Kamala Harris tested positive for coronavirus after visiting the Golden State last week underscores the sensitive place California and the rest of the U.S. are in.
California strongly recommends transit masking despite federal changes
In guidance updated Wednesday, California health officials strongly recommended that people mask up when using public transit, even though it’s no longer required.
Are masks still effective even when many aren’t wearing them? What experts say
Many experts stress that face coverings still protect against the coronavirus and that masking up makes sense — even if it’s no longer mandatory.
The push to get children vaccinated is stalling. It poses new COVID-19 dangers
Despite months of outreach and on-the-ground efforts, the COVID-19 vaccination campaign for young children remains stuck in neutral — prompting experts to say more needs to be done to inform parents about the benefits of inoculation.

