Tag Archives: WHO warns against mixing different vaccines

.. .. .. .. Mix and match vaccines, AZ then mRNA (@BioNTech_Group) achieves a very strong immune response against the Delta variant. This is the 1st report to look at mix vs Delta, specifically.https://t.co/6N46cUh8HW @TheLancet pic.twitter.com/cvlHp2XtXJ — Eric Topol (@EricTopol) … Continue reading →