California COVID: Good case numbers but surge threat remains

 California now has one of the lowest coronavirus infection rates in the country, with 1.9% of people testing positive for the disease in the last week as the nation’s most populous state has so far avoided the uptick feared heading into the end-of-year holidays.

Child COVID-19 vaccines help prevent new variants, experts say

Scientists say vaccinating kids should not only slow the spread of the coronavirus but also help prevent potentially-dangerous variants from emerging. Each new infection brings another opportunity for the virus to mutate and evolve dangerous new traits.