In the early 21st century the word "lockdown" became associated internationally with what?

Question

The German bandwurm word "rindfleischetikettierungsuberwachungsaufgabenubertragungsgesetz" became famous in early June 2013 for what reason?

Answer 1

Trying to deal with SARS-CoV-2 and the disease it causes, COVID-19
SARS stands for Severe Acute Respiratory Syndrome. What became known as the SARS CoV-2 virus was first detected in China and proved to be highly infectious. Many countries responded by, among other actions, requiring people to stay home and isolate themselves which shut most of the country in lockdown.