It’s not rocket science - because lots of people haven’t yet had the virus, when they’re exposed to it in an enclosed and perhaps poorly socially distanced space (eg a food processing plant, cruise ship etc), lots of people get it
For crying out loud!
"Because lots of people haven't yet had the virus"
yet highlighted is a report suggesting R of 4 up until W/C 23/3 which means lots of people must have had the virus.
It can't be both.
Richard Taylor
"William Tell could take an apple off your head. Taylor could take out a processed pea."
Sid Waddell