If you don't get stomach upsets from your normal routine with food, then that routine is OK. There is nothing different about the bugs these days, just the way food is handled.
It used to be that every house had a stockpot, which was added to and boiled up daily. It was restarted every week or so, but sometimes the same batch was added to and diluted for weeks without poisoning anyone - the frequent boiling killed off any incipient bugs and the flavour improved with all the reducing.
Unused food was covered at once and put in a cool larder, then reheated thoroughly next day, or eaten as cold meat. If it was turned into a different dish, it was cooked again.
Shopping for perishables was done daily, or every second day, from shops without refrigeration or freezers. How is it that now we have these and other ways of preserving food we are more worried than ever about food poisoning?
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. I don't remember ever making us ill though, so I do wonder if all the warnings and my cautiousness these days are a bit over the top?
