Adding to concerns, Los Angeles County announced Saturday that it had detected its first case of a more transmissible variant of COVID-19.
Franklin and Williamson Counties reported 34 new cases Sunday.
The United States Centers for Disease Control considers positive results from PCR (polymerase chain reaction) tests to be confirmed cases and positive results from antigen (rapid) tests to be probable cases.
Currently, an estimated 1,779 people are hospitalized with the novel coronavirus, including 417 patients who are in the ICU.
The county's all-time high for COVID hospitalizations occurred on January 7, when there were 8,098 people hospitalized.
There were 917 fewer active cases in Arkansas Sunday than there were Saturday, 24,887 in total; they represented 9.2% of the cases identified in the state and included 17,789 confirmed cases and 7,098 probable cases.
Hospitalizations and intensive care unit admissions remained on a slight downward trend, but officials have warned that could reverse when the full impact from transmissions during Christmas and New Year's Eve gatherings is felt. The average number of cases for the week ending Friday is 1,700.
Pennsylvania hospitals began receiving shipments of the Pfizer-BioNTech COVID-19 vaccine the week of December 14 and Moderna COVID-19 vaccine the week of December 21. Total deaths in Missouri are 6,256.
The state reported 432 deaths on Sunday, a day after recording the second-highest daily count of 669, according to the Department of Public Health.
Through Jan. 14, 427,713 doses of the vaccine have been administered, including vaccine administration through the CVS drug store chain as part of the Federal Pharmacy Partnership. Among the newly reported deaths, two people were in their 70s, one in their 80s and one in their 90s.
In Butler County, 5,365 people have received one dose of the vaccine, and 1,143 have received both doses.
Moderna vaccine batch may be suspended after adverse events
Between Jan. 5 and 12, the 330,000 doses of the affected lot arrived in California and were spread throughout the state. As the Chronicle reports , the allergic reactions were found at the mass-vaccination site at San Diego's Petco Park.