Taiwan study shows AZ-Moderna mix is 5 times better than 2 AZ shots against Delta

19 November 2021. Taiwan study (led by the National Taiwan University Hospital) has found that the combination of AstraZeneca (AZ) and Moderna doses performs five times better than two AZ doses in fighting the highly-contagious Delta variant.https://www.taiwannews.com.tw/en/news/4350203