Papua New Guinea’s prime minister is in self-isolation and has been tested for COVID-19 after possibly coming into contact with an infected person.

The precautions were taken after a staffer at the country’s main coronavirus emergency center, which premier James Marape recently visited, tested positive for COVID-19, according to ABC News.

The report said all workers at the National Operations Center, as well as people who visited the facility over the past week, including Marape, the country’s police minister and several journalists, are being tested for COVID-19.

The prime minister’s test samples were sent to Brisbane, Australia, early on

Read more: Papua New Guinea premier tested for coronavirus