Nice, good news mixing mrna vaccines with traditional works well, better than 2x az
https://www.bbc.com/news/health-57636356The Com-Cov study, which looked at giving the doses four weeks apart in 850 volunteers aged 50 and above, found:
AZ followed by Pfizer induced higher antibodies and T cell responses than Pfizer followed by AZBoth of these mixes induced higher antibodies than two doses of AZThe highest antibody response was seen after two doses of Pfizer, and the highest T cell response from AZ followed by Pfizer