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SINGAPORE: The Ministry of Health (MOH) is conducting field tests to assess whether saliva tests can be scaled up for more widespread use in Singapore, it said on Friday (September 18).
In response to the CNA’s inquiries, the ministry pointed to factors such as the consistency and integrity of sample collection, the efficiency of laboratory processes and the ability to handle large volumes of tests through pooled tests.
Currently, most samples for COVID-19 testing in Singapore are collected using nasopharyngeal (nose) or oropharyngeal (throat) swabs.
With group testing, the swabs are tested in batches and individual tests will be performed if the group tests positive. This provides high throughput and enables the ministry to efficiently process large volumes of tests on a daily basis, said a spokesman for the Ministry of Health.
READ: Singapore reports 11 new COVID-19 cases, lowest daily figure since March 12
The Health Ministry said it regularly evaluates the suitability of new testing technologies and sample collection methods to expand its testing capacity.
“As new testing modalities emerge, we are also actively exploring alternative collection methods that could improve the efficiency and convenience of specimen collection for people, while providing an appropriate level of sensitivity in case detection,” said.
Preliminary findings indicated that saliva tests may be a bit more comfortable for some people, he added.
“However, mechanisms are still being developed to expand saliva testing in laboratories, including combined testing.”
READ: COVID-19: Rigorous testing could help revive travel, but challenges remain, experts say
The ministry previously said that it regularly reviews its testing strategies.
Last month, it announced plans to offer COVID-19 testing to community groups such as taxi drivers, food delivery workers, as well as stalls at street vending centers, markets and cafeterias as part of its efforts to expand its testing regimen.
The costs of the single test will be borne by the Government.
He is currently conducting surveillance tests in patients older than 12 years who present with an acute respiratory infection. It also tested groups such as preschool teachers, as well as nursing home residents and employees.
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