“The measures which have just been taken, the earliest we’d expect to see an effect on the growth of the epidemic is about two to three weeks time,” said Professor Neil Ferguson, an expert on the spread of infectious diseases at Imperial College London. “I think we’re still behind the epidemic seen in other European countries,” he told BBC radio. “I overall think we’ve got the timing about right.”  “Certainly there wasn’t any time to lose,” he said.
Top epidemiologist: UK had no time to lose on coronavirus battle.