Quote:
Originally Posted by Carth
Hasn't two jabs always been shown to provide better protection than one?
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Yes, but in this case the protection from one dose is a lot lower than that from two, which wasn't the case in the original trials. It would explain the sudden rush to give second doses to the over-50s.
"This suggests a single shot offers 35 per cent less protection against B.1.617.2 compared with B.1.1.7, according to Financial Times analysis"
Quote:
Originally Posted by nomadking
The Johnson & Johnson one is a single dose vaccine.
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Though not as effective as the leading two-dose vaccines. J&J are now running a two-dose trial:
https://www.nytimes.com/interactive/...acker.html#jnj