vaccine combinations
- Coronavirus Vaccines
Study confirms mixing AstraZeneca and mRNA vaccines as good as 2 mRNA doses
A recent study of Covid-19 vaccines shows that using AstraZeneca for the first dose, followed by an mRNA vaccine for the second, is as effective as 2 mRNA doses. The AstraZeneca vaccine is a viral vector vaccine, whereas vaccines such as Pfizer and Moderna use mRNA technology. Thai PBS World reports that the study was carried out in Germany, using…