Adventist Hospital in California Scrambles to Deliver COVID Vaccine After Refrigerator Malfunction Written by: January 6, 2021 An Adventist hospital in Northern California was holding an entire county’s stock of the Moderna COVID-19 vaccine when a refrigerator holding the vials malfunctioned on Monday, January 4, 2021. Suddenly, the race was on to use the 850 doses before they spoiled. Adventist Health Ukiah Valley is a 78-bed hospital several hours north of San Francisco. On Monday, hospital staff noticed the refrigerator failure, Both of the vaccines so far approved in the United States use cutting edge mRNA technology, which enabled a fast development but carries the downside of being quite fragile. The Moderna vaccine can survive up to a month in a refrigerator but only 12 hours at room temperature.