Cryogenic freezers, refrigerators and temperature controlled portable shipping containers and portable temperature controlled dewars for transporting and storing vaccines for preventing and killing viruses, bacteria, coronaviruses including COVID-19, biofilms, fungi, mold, and spores; Cryogenic products, namely, cryogenic freezers, refrigerators and temperature controlled portable shipping and storage containers in the nature of dewars for the storage and transport of biological materials at ...