I completely agree we are still within the window where it is possible to prevent COVID rocketing in the UK
There are several measures that imo should be taken immediately, e.g.
Some of them are just the govt encouraging certain behaviour:
Don't shake hands
Financial institutions: extend mortgages, car loans, any other debt if the crisis causes arrears
Firms: let your staff wfh whenever possible
DWP: cancel any appointments that are required merely for people to continue receiving benefits
Schools: allow parents to withdraw kids if they wish, without fines or losing their place
Relax rules on nursery and school ratios if extra places are required because of closures elsewhere
Some criminal sanctions to discourage bad:
Anyone officially ordered to self-isolate / quarantine who doesn't do so
Anyone profiteering (> 100% markup) by reselling handgel, masks, goggles etc
Some would cost the govt money:
Pay the full salary from day 1 of anyone who is officially told to self-isolate
Paid childcare for children of essential workers whose schools have closed (see ratios above)
Compensation for lost revenue for the self-employed & businesses, based on previous years tax returns - maybe previous 3 months for new businesses