Test, track and treat must be an essential ingredient coming out of COVID-19 lockdown. This was acknowledged by the British Prime Minister, Boris Johnson, in his statement to the House of Commons today spelling out a little more detail of the strategy moving forward. With more testing, it will be possible to predict at a more localised level in the community where infections will spread and target both community testing and more social interventions on high-risk areas in the future. This might then prevents further national lockdown in response to any rebound of the virus. The Prime Minister rightly refers to the R-value in informing strategy. It represents the rate of infection - or how many people can be infected by another. At the outset, this was above 3, and anything above one means a dramatic increase in infections and deaths. The Prime Minister also, on that basis, is right that there might be a need for differences in approach in di...
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