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					Originally Posted by GrimUpNorth  From that equation a quick bit of algebra tells us that  R(rate of infection) =  Covid Alert Level  - number of infections
 So according to Borris we're moving to alert level 3
 
 So R = 3 - (approx) 226000
 
 So R = approx -225997
 
 Quite a bit below the target of 0.5 to 0.9
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 I'm too old to remember much algebra, but pretty sure some of it being in brackets alters the working of it   
 
  