TUCSON — The Pima County Health Department announced Friday a second Pima County resident has been diagnosed with a presumptive positive case of COVID-19.

Officials are investigating how the individual contracted the virus. Household contacts are under observation and in home isolation.

"We do know this person traveled but to another state," Pima County Health Department Director Dr. Bob England said. "And not a state with a lot of transmission going on and not out of the country.

NEW YORK (Reuters) - Dexter Johnson often comes to the Bowery Mission to get a free meal, having struggled off and on with homelessness, but the 33-year-old New Yorker is thinking twice about sitting down in the crowded cafeteria and risking exposure to novel coronavirus.

Johnson, one of an estimated 550,000 people to go homeless on any given night in the United States, is worried crowds at the lunch service could expose him to a virus that has no vaccine.

“This is the type of thing where you need to stay away from other people,” he said from the Bowery Mission dining room, where volunteers have hung posters detailing ways to avoid catching or spreading the virus. “That’s hard to do.”