90-Second Read: These are the 6 U.S. states monitoring residents for potential Hantavirus exposure ahead of the cruise ship's Sunday arrival in Tenerife

Centers for Disease Control and Prevention issued a Health Alert Network advisory on Friday alerting doctors and state health departments to watch for potential imported cases, ABC News reported. Local health officials are in contact with the one returned passenger," the department said, adding that public health protocol includes daily temperature checks and assessments for symptoms consistent with Hantavirus. The New Jersey residents were not passengers on the cruise ship, and the potential exposure occurred during air travel abroad," the department said in a statement. The Arizona Department of Health Services said it is monitoring one resident who was a passenger on the MV Hondius. The California Department of Public Health said Friday it is monitoring one resident who returned from the cruise ship.

The Georgia Department of Public Health said it is monitoring two residents who returned home after disembarking from the MV Hondius. The New Jersey Department of Health said Friday it is monitoring two residents who may have been exposed during air travel abroad. The Virginia Department of Health said one resident returned home from the cruise ship and is in good health. The resident left the ship at the South Atlantic island of St. Helena on April 24, before the outbreak was identified.

This individual is not symptomatic and is being monitored by public health," department spokesperson Magda Rodriguez said in a statement. The individuals are currently in good health and show no signs of infection. Public health workers in Texas have reached the two individuals, and they report they are not experiencing any symptoms and did not have any contact with a sick person while aboard the ship," the department said in a statement. Currently in good health and is under public health monitoring," department director of communications Maria Reppas told Time. They are following current recommendations from CDC," a department spokesperson told Time.

The two residents have agreed to monitor themselves with daily temperature checks. Reppas said up to five additional Virginians who may have been exposed could be identified in the days ahead. None of the Americans aboard are currently reporting symptoms, World Health Organization officials have said.