Share on Pinterest The Moderna vaccine doesn’t have the same cold storage requirements as the Pfizer vaccine. They note that the Pfizer vaccine requires storage at colder temperatures than the Moderna vaccine, so smaller facilities and more rural areas will probably use the Moderna product. In Boston, a doctor used his own EpiPen to treat his anaphylactic reaction to getting the Moderna vaccine. “Preliminary analysis suggests that the Moderna vaccine prevents SARS-CoV-2… in addition to preventing COVID-19 disease,” said Sun. “My wife works out of a different, larger hospital in the area, and she received the Pfizer vaccine,” he said.