British mushroom ketchup 17th-century recipes

In 19th- and 20th-century Europe, writers, governments, cooks and food experts helped decide which food traditions represented a nation. As industrial food production grew, so did interest in cuisines presented as authentic links to the past.

A confirmed COVID-19 case required a positive test, but many infected people were never tested. Studies that randomly tested populations repeatedly found far more infections than official case totals suggested. The gap was especially large early in the pandemic, when tests were scarce and people with mild symptoms often went undetected.