FILE - This 2020 electron microscope image made available by the U.S. Centers for Disease Control and Prevention shows the spherical coronavirus particles from what was believed to be the first U.S. case of COVID-19. A new analysis of blood samples from 24,000 Americans taken early last year is the latest and largest study to suggest that the coronavirus popped up in the U.S. in December 2019 — weeks before cases were first recognized by health officials. (C.S. Goldsmith, A. Tamin/CDC via AP)

CONCORD – The state Department of Health and Human Services announced 48 new positive test results for COVID-19 and one death Thursday.

The death involved:

1 female resident of Cheshire County, 60 years of age and older

Today’s results include 30 people who tested positive by PCR test and 18 who tested positive by antigen test. There are now 308 current COVID-19 cases diagnosed in New Hampshire.

Several cases are still under investigation. Additional information from ongoing investigations will be incorporated into future COVID-19 updates. Of those with complete information, there are eighteen individuals under the age of 18 and the rest are adults with 42% being female and 58% being male. The new cases reside in Hillsborough County other than Manchester and Nashua (6), Merrimack (6), Rockingham (6), Belknap (3), Sullivan (3), Carroll (2), Cheshire (1), Grafton (1), and Strafford (1) counties, and in the cities of Nashua (6) and Manchester (4). The county of residence is being determined for nine new cases.

There are currently 22 individuals hospitalized with COVID-19. In New Hampshire since the start of the pandemic, there have been a total of 100,106 cases of COVID-19 diagnosed.