Vaccine efficacy against asymptomatic transmission was higher, at 59%, in a smaller group that received a half dose, followed by a full second dose, rather than two full shots. The data support Oxford’s preliminary finding that the low-dose, full-dose regimen appears to elicit a stronger immune response, preventing 90% of infections. Two full doses were only 4% effective against asymptomatic transmission.

Source link

By admin

Leave a Reply

Your email address will not be published. Required fields are marked *