‘More than 1 billion people could be immunised against coronavirus by the end of next year with shots from the first two companies to reveal positive results, after the latest vaccine was shown to be nearly 95% effective in trials. The inclusion of high-risk and elderly people in the Moderna trial suggested the vaccine would protect those most vulnerable to the disease, said Peter Openshaw, a professor of experimental medicine at Imperial College London, who described the results as “tremendously exciting”.
‘Though it is more expensive, Moderna’s vaccine could potentially provide a major advantage over Pfizer’s, which requires ultracold freezing between -70C (-94F) and -80C from production facility to patient. Moderna said it had improved the shelf life and stability, meaning its vaccine can be stored for six months at -20C for shipping and long-term storage, and at standard refrigeration temperatures of 2C to 8C for 30 days.’
Read here (The Guardian, Nov 16, 2020)