Patients with pneumonia should also undergo a Covid-19 test.
As for at-risk people, such as those who have travelled to hotspots, hold jobs related to tourism, work in crowded places such as flea markets, shopping malls or public transport or those who work with patients can ask to be tested for the virus immediately.
He said the cost of the examination will be covered by the National Health Security Office, and now that the test kits are being produced locally, authorities are able to cover wider areas for examination.
Taweesin said an analysis of 542 patients showed that some went for a Covid-19 test after having symptoms for an average of four days, while some waited for 28 days before going for a test. He said that this behaviour increases the chance of transmitting the virus to others.