The increasing COVID-19 deaths in the past few days is a sign that the outbreak may be larger than our current constrained PCR testing is able to track. As I and others warned six months ago, we needed to ramp up PCR testing to keep the virus at bay and prevent future outbreaks. The President and PM gave instructions to that effect, but in reality this did not happen. Why remains a mystery, but the current outbreak is the inevitable consequence.
Increasing PCR testing reduces COVID-19 transmission (Reff). In combination with contact tracing and isolation, it is the most effective intervention we have to control the virus. Better by far than lockdowns, masks, school closures and asking people to wash their hands… Other countries that were doing well back in May did continue to ramp up PCR testing, despite in some cases having no local cases. All these countries have managed to avoid a second wave.
Whatever happens, the most important gap in our current strategy and by far the most important one we need to fix remains PCR testing. It’s not ventilators, it’s not quarantine or contact tracing, and it’s not our border controls. Continue reading