This undated electron microscope image made available by the U.S. National Institutes of Health in February 2020 shows the virus that causes COVID-19. The sample was isolated from a patient in the U.S. (NIAID-RML via AP)

CONCORD – The state Department of Health and Human Services announced 31 new positive test results for COVID-19 and no new deaths on Sunday.

There have now been 5,747 cases of COVID-19 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 two individuals under the age of 18 and the rest are adults, with 61% being female and 39% being male. The new cases reside in Hillsborough County other than Rockingham (5), Manchester and Nashua (4), Carroll (1), Grafton (1), and Strafford (1) counties, and in the cities of Manchester (14) and Nashua (5).

Three new hospitalized cases were identified for a total of 565 (10%) of 5,747 cases. Four of the new cases had no identified risk factors. Community-based transmission continues to occur in the State and has been identified in all counties. Most of the remaining cases have had close contact with a person with a confirmed COVID-19 diagnosis or are associated with an outbreak setting.