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Covid-19 and PCR testing : Govt. urged to look at new testing methods

21 Oct 2020

  • Look at serum, antigen, and antibody tests: MLTs
  • Looking at introducing antigen tests: Health Ministry
By Maheesha Mudugamuwa Concerns have been raised by Medical Laboratory Technologists (MLTs) over the issues relating to PCR tests and the delay in introducing new testing mechanisms that suit bulk testing. They claimed the current PCR test was a traditional and time-consuming testing mechanism and therefore, urged the Health Ministry to introduce serum, antigen, and antibody tests to conduct bulk or random testing and to avoid the spread of the virus within the society.   However, when contacted by The Morning, Health Ministry Spokesman Dr. Jayaruwan Bandara said the possibility of introducing an antigen test for Covid-19 in Sri Lanka was currently being looked at and discussions were ongoing. Meanwhile, the Sri Lanka Association of Government Medical Laboratory Technologists (SLGMLT) has raised concerns over the issues relating to PCR tests which recorded negative results following a false positive test result. SLGMLT President Ravi Kumudesh yesterday (20) said the Association had already written to President Gotabaya Rajapaksa and Health Minister Pavithra Wanniarachchi to reveal to the public the laboratories which carried out those tests and the responsible officer who took the decision to hand over testing to the private sector. “It is impossible to get a negative test result following a positive result unless there is a 99% laboratory issue and a person can get a negative result after a positive result only when that person is naturally cured from the virus after around 14 days,” he stressed. Alleging that almost all these false test results have been issued from the private sector, Kumudesh stressed that the government laboratories have the capacity to conduct 10,000 PCR tests per day. “There is no need to hand over testing facilities to the private sector,” he noted, claiming that the test system could be improved so as to give results within a short period of time. According to him, the current testing system was traditional and should instead be improved. He added that serum, antigen, and antibody tests should be conducted within the country to identify the sources and the extent of the spread of the virus within the society. “A PCR test can identify if the virus is within the body and if a person got infected from the virus but got cured naturally, then that person cannot be identified through a PCR test. To conduct bulk screening, antibody or serum tests should be conducted,” he explained.  


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