coronavirus outbreaks were happening in Southeast Asia prior to community transmission, the researchers decided to conduct the study.
One RNA virus with a lipid envelope, two animal coronaviruses, the murine hepatitis virus, and transmissible gastroenteritis virus were all utilised as surrogates in the study.
All three viruses have been utilised in the past as stand-ins for SARS-CoV-2, with refrigeration temperatures often showing higher reductions in their numbers than freezing temperatures.
The number of people decreased in different ways depending on the food used. "Although you might not store meat in the fridge for 30 days, you might store it in the freezer for that long," said study first author Emily S.