A pet dog believed to be the 1st dog in the U.S. to have tested positive for the coronavirus(1/2)

A pet dog who is believed to be the first dog in the U.S. to have tested positive for the coronavirus that causes COVID-19 in humans, according to Duke Health, is seen in Chapel Hill, North Carolina, U.S. in this undated photo obtained from social media on April 29, 2020. The pug belongs to a family who is participating in the Molecular and Epidemiological Study of Suspected Infection (MESSI) research study at Duke University. (Photo/Agencies)

A pet dog who is believed to be the first dog in the U.S. to have tested positive for the coronavirus that causes COVID-19 in humans, according to Duke Health, is seen in Chapel Hill, North Carolina, U.S. in this undated photo obtained from social media on April 29, 2020. The pug belongs to a family who is participating in the Molecular and Epidemiological Study of Suspected Infection (MESSI) research study at Duke University. (Photo/Agencies)