[jimjamuser]

Originally Posted by blueash

As viruses are not really alive you shouldn't be surprised that they are not inactivated by freezing. In fact viral samples are often frozen for storage. Live viral vaccines such as the MMR, ChickenPox, and oral Polio are all shipped frozen and must be stored at the doctor's office in a medical freezer to preserve their infectivity. RNA viruses are often stored at minus 80 Celsius. [-112 F]

Thanks for your expertise.