SirC did you watch today? It was all explained.
Social distancing will delay the spread of the virus, but enough people will still get it, many with no real symptoms,
Others with slight symptoms etc etc.(resulting in herd immunity eventually.)
The measures are all to smooth out ( no really huge peak) so that the NHS can cope with the numbers who need hospital
treatment and ICU treatment.
If you want ‘chapter and verse’ on this, just keep abreast of all
The televised briefings on it.
The UK is not in Italy’s position yet, and maybe never will be.
All countries have their experts after all.