In Europe, supermarket meat was was probably frozen anyway, according to Dutch Consumer Reports: ("Fresh" meat from supermarket often older than 2 years and frozen several times [1], original Dutch [2]).

[1] https://translate.google.com/translate?sl=nl&tl=en&u=http://...

[2] http://neerlander.nl/2016/09/07/vers-vlees-supermarkt-vaak-o...