Tests are not always 100% accurate: Health authorities By Maheesha Mudugamuwa As the threat of a second wave of Covid-19 looms in the country, health experts urged the public to follow the necessary health guidelines issued by the authorities. Epidemiology Unit Chief Epidemiologist Dr. Sudath Samaraweera told The Morning that it was impossible to control the virus 100% within the country unless the country’s ports are closed. “Keeping all ports closed to prevent the virus coming to the country is not practical, and especially with the Sri Lankans who are returning back to the country, there is a risk,” he stressed. As explained by Dr. Samaraweera, an infected person could go into society even though the authorities are conducting PCR tests.“Tests are not always 100% accurate,” Dr. Samaraweera stressed. “We are at present conducting PCR tests on all returnees and they are being sent on a 14-day quarantine period at quarantine centres and another 14-day quarantine period in their homes. After the end of each 14-day period, PCR tests are being conducted,” he explained, adding that the authorities are at present doing their maximum. Urging the public to follow the health guidelines issued by the authorities, Dr. Samaraweera said the authorities have issued the guidelines as those are important to prevent the spread of the disease. Furthermore, the Chief Epidemiologist noted that the authorities are currently investigating the Covid-19-positive patient found at the Welikada Prison.