Massachusetts health officials reported 1,543 new COVID-19 cases Wednesday and 13 new deaths.
In total, there have been 1,745,051 cases and 19,586 deaths since the start of the coronavirus pandemic.
More on the COVID-19 pandemic
The state reported 510 people hospitalized for COVID-19 as of Wednesday's data release, with 161 being primary cases. Of the total hospitalizations, 44 are in intensive care and 13 are intubated.
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Massachusetts' COVID metrics, tracked on the Department of Public Health's interactive coronavirus dashboard, had been trending up in recent weeks, but the latest numbers seem to reflect a decline in the spring bump.
Only two of Massachusetts' 14 counties are now considered high risk for COVID-19, according to new data from the Centers for Disease Control and Prevention.
This latest increase was attributed to subvariants of omicron — first, it was the "stealth" omicron variant BA.2, and more recently the BA.2. 12.1 subvariant, which health officials say appears to be more contagious than BA.2. However, there is no data to indicate it causes more serious illness.
The state's seven-day average positivity was at 5.71% Tuesday, compared to 5.92% on Monday.
This spring bump was well below the types of case counts and hospitalizations seen at height of the omicron surge in January, when average daily case counts reached over 28,000 and hospitalizations peaked at around 3,300.
COVID levels in wastewater, as reported by the Massachusetts Water Resources Authority's tracking system have also started to signal declines. The levels of virus seen in the wastewater also remain nowhere near where they were during the peak of the omicron surge.
Experts have also said that case count reporting became a less accurate indicator during the omicron surge, given the difficulties in getting tested. Now, widespread use of rapid tests means that some results go unreported.
More than 14.9 million vaccine doses have now been administered in Massachusetts.
Health officials on Wednesday reported that a total of 5,398,650 Massachusetts residents have been fully vaccinated.