New guidelines have been issued that may allow individuals exposed to a confirmed COVID-19 case to shorten their time under quarantine.

State health officials in both Wisconsin and Michigan sent out advisories on the new recommendations from the Centers for Disease Control and Prevention.

While 14 days of quarantine remains the standard, the Michigan Department of Health and Human Services on Friday updated guidance that some residents exposed to confirmed virus cases may only need to quarantine 10 days if specific provisions are met.

These new guidelines, adopted by the Dickinson-Iron District Health Department, state the shorter period is possible provided:

— The close contact, with daily monitoring, does not develop any symptoms or clinical evidence of COVID-19 infection during the 10 days after the last exposure; and

— The close contact continues to monitor for signs and symptoms daily through 14 days after the last exposure.

At this time, diagnostic or antibody testing results should not reduce the length of quarantine, the DIDHD advised. A negative test or positive antibody test does not release close contacts from quarantine earlier than 10 days after the last exposure, with daily symptom monitoring through 14 days after that exposure, the DIDHD stated in a news release.

The new CDC guidelines are based on case data reviewed for hundreds of thousands of cases that showed 99% of all infections will present within 10 days of exposure, according to the DIDHD and MDHHS.

The DIDHD and MDHHS will continue to monitor guidelines and provide updates as needed.