Send the following on WhatsApp
Continue to Chathttps://www.mkfm.com/news/news-extra/single-astrazeneca-or-pfizer-dose-80-effective-at-preventing-hospitalisations-in-over-80s/
https://www.mkfm.com/news/news-extra/single-astrazeneca-or-pfizer-dose-80-effective-at-preventing-hospitalisations-in-over-80s/