There are increasing signs that the omicron subvariant BA.2 is on the rise, even as the daily reported number of coronavirus cases continues to fall across California.
The jury is still out as to whether BA.2 — which is 30% to 60% more contagious than the original omicron variant that raced through California over the winter — may spark another spike. But given how the latest strain has upended trendlines in other parts of the globe, many public health officials are urging caution.
Here’s what you need to know: