Researchers: Oxford/AstraZeneca Vaccine May Reduce Coronavirus Transmissibility

New data suggests that the AstraZeneca vaccine slows the transmission of COVID-19 by as much as 67%, Allowing UK policy makers to reconsider lifting lockdown measures and reopen the economy.

Researchers in Oxford have found that the AstraZeneca vaccine is 76% effective at preventing symptomatic infection of COVID-19 for three months without need for a second dose.

Medical professionals in the UK have found that the efficacy rate of the vaccine seems to increase if secondary doses of the vaccine are delayed, with the rate of success jumping up to 82.4% if patients wait at least 12 weeks to get reinoculated.

This bodes well for the UK’s current strategy, which is to vaccinate as many as possible and then to delay any further vaccinations. The first dose is intended to provide partial protection against the virus, and staggering the interval for the next round allows for UK medical professional to gather stock when the vaccines are already in limited supply.

This plan originally cause controversy, but has since been supported by the UK’s Joint Committee on Vaccination and Immunization in light of this new data.

 As of February 1, over 9.6 million people have received one dose of the vaccine, with 500,000 more having received two doses.


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