4 ms·
My understanding is that it may be due to the difference of time during the two shots. It's possible that 2 weeks between the two shots of Pfizer is too short.
by shin_lao 5y ago
My understanding is that it may be due to the difference of time during the two shots. It's possible that 2 weeks between the two shots of Pfizer is too short. We're learning.
- dogma1138 5y agoIn the UK Pfizer and AZ both are on 8 weeks protocols and the UK has seen a sharper drop in Pfizer efficacy compared to AZ. I got Pfizer in the UK, I also suspect to have had it in March (3 days of some coughing and loss of smell), I’m under 40 so no AZ for me.
- munk-a 5y agoIn part due to immunity duration concerns and, honestly, in part due to supply issues - Canada ended up going way wide on vaccines - most people ended up with twelve weeks between vaccinations.
- walterbell 5y agoCanada also made the bold move of mixing different vaccines, even though there were zero clinical trials of multi-vendor vaccines.
- graywh 5y agoPfizer is 3 weeks, Moderna is 4
- walterbell 5y agoModerna apparently has a 33% higher volume dosage?
- maxerickson 5y agoIt's 3x larger, at least by the amount of mRNA.