With four counties accounting for 41% of the growth, Alabama on Thursday recorded by far its biggest increase in the number of COVID-19 cases since the pandemic began in March.

There were 2,164 new cases of the disease during the latest 24-hour period, the Alabama Department of Public Health’s COVID Dashboard showed. That was up from 1,161 on Wednesday and eclipsed the previous record of 1,758 on June 29. The overall total now stands at 48,588 cases, plus 522 listed as probably resulting from the coronavirus but not yet confirmed.

There were 10 deaths during the period, raising the overall total for the pandemic to 1,042, plus 26 cases listed as probably from the disease.

Jefferson, Madison, Mobile and Tuscaloosa counties accounted for 895 — 41% — of the new cases but only one death. Jefferson had by far its largest increase with 343 cases to raise its total to  6,030; it had one death for a total of 162.

Madison County, which includes Huntsville, recorded its biggest jump so far with 287 cases to bring its total to 1,907. Tuscaloosa County recorded 162 cases for a total of 2,544; and Mobile County had 103 for a total of 4,418.

With the surge reported Thursday, Alabama is averaging a record 1,283 new cases a day over the past week and 1,131 a day over the last 14 days.

Here are the counties with numbers of cases, individuals tested and deaths.