Chinese vaccines "don't have very high protection rates," said the director of the China Centers for Disease Control, Gao Fu, at a conference Saturday in the southwestern city of Chengdu.

Lawmakers in 45 states have proposed more than 300 measures this year related to legislative oversight of executive actions during the COVID-19 pandemic or other emergencies.

The disparities related to COVID-19 aren't just prevalent in racial and ethnic minority groups, however. An analysis from Surgo Ventures in November found that 64% of all rural counties in the U.S. do not have a COVID-19 testing site.

The Southeast Michigan Hospital Collaborative, a partnership of four local health systems, the Greater Detroit Area Health Council and the National Kidney Foundation of Michigan, have been working to identify the state's 2.5 million people with pre-diabetes to enroll them in a national diabetes prevention program.