U.S. health authorities said Monday they are investigating 110 possible cases of the novel coronavirus across 26 states, but reported no new cases have been positively identified as the Trump administration urged Americans to reconsider all travel to China.

The Centers for Disease Control and Prevention said that total includes the five patients who have been tested possible for the disease, and 32 patients who have so far tested negative. Results for the remaining 73 patients remain pending, the agency said on its website.

The five confirmed cases include two patients in California, and one each in Washington state,

Read more: US raises travel alert for China over coronavirus fears