Mix and Match
“Researchers in Britain have also been testing whether combining AstraZeneca’s vaccine with other products, including the vaccines made by Pfizer-BioNTech and Moderna, is safe and effective.
Early results have shown that combining AstraZeneca’s jab with the Pfizer-BioNTech vaccine produces a strong immune response.
The World Health Organization has said it’s likely that mixing and matching different COVID-19 vaccines probably works, but more data is needed to be certain.”
The Chinese sino vaccine seems less than useful, only any good if you get three doses. Mix and Match does seem worth trying.
There have been some trials in U.K. with mixing Sputnik with the Oxford.
Now Russia is trying mixing the Oxford with Sputnik.