Sevier County, Arkansas, and Titus County, Texas, have seen their confirmed coronavirus case counts more than double in the past week.
From Thursday to Friday, Sevier County's case count rose by 12, from 50 to 62, according to the Arkansas Department of Health. The county's tally was 24 on May 15.
Titus County's tally swelled even more, adding 33 cases in a day to reach 221, according to the Texas Department of State Health Services. On May 15, the county's count was 83.
Most other Southwest Arkansas counties' counts did not change. Miller County's held at 42 cases, Lafayette County's at nine, Pike and Nevada counties' at four and Little River County's at one. Howard County added a case to reach 15.
Officials reduced Hempstead County's count by one, from 12 to 11. No explanation was given, but possible reasons include an initial false positive test or misidentification of a patient's county of residence.
Elsewhere in Northeast Texas, Bowie County held at 117 cases and Cass County at 26, according to the local emergency Joint Operations Center.
Morris County's count rose from 15 to 17 and Red River County's from 42 to 44, according to TDSHS.
Caddo Parish in Northwest Louisiana added 21 cases to reach 2,293, according to the Louisiana Department of Health. Bossier Parish's count increased from 374 to 380.
Statewide, Arkansas reported 5,612 total cases so far, with 113 deaths. Louisiana reported 36,925 cases with 2,545 deaths, and Texas reported 53,449 cases with 1,480 deaths.
The Centers for Disease Control and Prevention's U.S. case count rose by more than 20,000 from Thursday to Friday, for a total of 1,571,617. The national death toll increased by more than 1,000, reaching 94,150.