Wooo!! Ya baby!! What a day to be a Pfizerized
#Genxzeneca! ๐โ
AZ/mRNA - the Cy Young of Covid-19 Vaccines!
By the way...for all those who got AZ vax followed by mRNA, that seems to be the best combo in Ontario for preventing breakthrough...the heterologous immune response is a thing. 15% risk reduction relative to mRNA/mRNA. AZ/AZ has 20% higher risk of breakthrough vs mRNA/mRNA