41 people being monitored for hantavirus exposure. See map.

A total of 41 people across the United States may have been exposed to hantavirus as part of the deadly outbreak that killed three passengers on the MV Hondius cruise ship, officials from the Centers for Disease Control and Prevention said during a May 14 briefing.

While officials evacuated passengers from the ship and are working to quell further spread, some people were unknowingly exposed to the virus before the outbreak was identified.

Among Americans affected by the outbreak, 18 were passengers on the ship, while several others were in proximity to infected individuals during their travels.

The American cruise passengers are now in quarantine in facilities in Nebraska and Georgia, with all of them now testing negative for hantavirus.

One passenger in Nebraska who initially had an inconclusive test result has now tested negative, Spain's Ministry of Health said in a May 13 X post. Additionally, one of the two passengers sent to Atlanta was initially symptomatic but tested negative for the Andes variant as of May 12, per HHS.

There are no positive hantavirus cases in the United States tied to the outbreak as of May 14. Here's a look at which states have stated they are are monitoring exposures.

See map of states with residents who may have been exposed to hantavirus

Residents in several states are being monitored for symptoms after being exposed to hantavirus.

During a May 14 news briefing, CDC officials said there are a total of 41 Americans being monitored for possible exposure, though they did not specify which states these individuals are from.

As for the passengers who returned to the United States on May 11 for closer monitoring in Georgia and Nebraska, only some of their places of residence have been announced.

The map below shows where potentially impacted individuals are currently residing. Click on the state for more information about the exposures.

Which states are American passengers in quarantine from?

The 18 passengers currently quarantining in Nebraska and Georgia include 17 U.S. residents and one British dual national.

It's unclear which states they all reside in, but some state officials have identified their residents among the passengers.

The map below shows which states those passengers are from. Click on the state for more information.

Melina Khan is a national trending reporter for USA TODAY. Keep up with her on X @melinakh and Instagram @bymelinakhan.