
3 Billion People Could Struggle to Get a COVID-19 Vaccine Because the World Doesn't Have Enough Fridges to Store It
Billions of people may have to wait for a COVID-19 vaccine because of a dearth of effective cold storage facilities. Most vaccines need to be stored, transported, and administered at consistent, cool temperatures, usually between 2 and 8 degrees Celsius. But a number of trial vaccines nearing the end of clinical trials require far lower temperatures, because they are RNA vaccines — a type of vaccine that carries instructions to cells to build protein.