More than 8,100 new COVID-19 infections were logged over the past three days in Los Angeles County, again pushing up the average daily number of new infections, but virus-related deaths remain low and hospitalizations are relatively steady, health officials said Monday.

The county registered 3,489 new cases on Saturday, 2,707 on Sunday and 1,941 Monday, for a total of 8,137. The new cases brought the county’s cumulative total to 2,915,694 since the start of the pandemic.

According to the Department of Public Health, the average daily number of new cases being reported in the last seven days was 2,944, up from 1,074 a month ago. The sharp rise in infections has been blamed primarily on the infectious BA.2 sub-variant of the virus.

BA.2 is an offshoot of the omicron variant that fueled a winter surge in cases. Los Angeles County is also seeing a rise in cases attributed to the BA.2.12.1 offshoot of BA.2. That offshoot represented about 12% of local cases that underwent specialized testing to identify variants during the week that ended April 23, according to the county.

Long Beach has also seen a rise in new cases in recent weeks. The city on Friday reported 256 new positive cases, for a total of 127,439 cases since the start of the pandemic. The number is one of the highest daily totals since the winter surge in February.

But deaths and hospitalizations have so far remained low with 16 people in Long Beach area hospitals as of Friday, and two deaths reported for this month. Comparably, an average of more than 300 people were hospitalized during the peak of the winter surge.

The number of virus-positive patients in Los Angeles county hospitals has also held relatively steady. But those numbers have ticked upward over the past week, again topping 300 over the weekend, but they were still far below the 8,000 patients logged during the winter surge.

As of Monday, there were 312 virus-positive patients in county hospitals, down from 318 on Sunday.

The county reported 15 deaths over the three-day period that ended Monday, raising the local virus-related death toll to 32,037.

Over the past week, the county has averaged six deaths per day, down from 11 per day a month ago. Health officials have pointed to a variety of factors for the lack of sharp increases in hospitalizations and deaths in the face of rising COVID numbers.

Most notably, they cite the large number of people vaccinated against the virus, along with the number of previously infected people who maintain a level of immunity.

The availability of medications designed to lessen the impact of infections is also believed to be a factor.

County Public Health Director Barbara Ferrer continued to warn, however, that even though hospitalizations and deaths have not risen sharply, continued spread of the virus could lead to more infectious and dangerous variants.

“With the proliferation of highly infectious sub-lineages of Omicron, it is easier for infected individuals to unknowingly pass along the virus, resulting in many of us experiencing more spread associated with our gatherings and travel,” Ferrer said in a statement Monday. “And while it is reassuring to note the relatively low rates of hospitalizations and deaths, getting infected for many is still very risky and something to be avoided wherever possible.”

Staff reporter Kelly Puente contributed to this report.