RE: New £30m tender for antibody LFTs7 Dec 2020 09:38
"Is there a known lft antibody test that uses saliva ?"
"Personally, I haven't heard or read of one. Only blood LFT for antibody so far but happy to be corrected."
It's about need. Saliva-based LFTs haven't been developed because there hasn't been a need for them (we really haven't had a pandemic on this scale since the 1918 'Flu Pandemic) - existing testing methods have been able to cope with demand.
This pandemic is stretching the capacity of traditional testing methods. The scale of this pandemic, and the need for rapid, reliable testing means that new testing methods - such as saliva based LFTs - is being developed, as the need now exists (and the funding is there for the development).