2 ms·
Saying B1351 "breaks through" is just like saying the original strain "breaks through" Pfizer. Pfizer isn't 100% efficacious on the original strain, nor is it 0
by thehappypm 6y ago
Saying B1351 "breaks through" is just like saying the original strain "breaks through" Pfizer. Pfizer isn't 100% efficacious on the original strain, nor is it 0%. Same with B1351. Luckily for us, new strains are closer to 100% than 0%.