AstraZeneca vaccine: Does the Covid vaccine prevent spread of the virus?

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“In addition, extending the dosing interval not only boosts the vaccine’s efficacy but also enables more people to be vaccinated upfront.

“Together with the new findings on reduced transmission, we believe this vaccine will have a real impact on the pandemic.”

Early data also shows the Pfizer/BioNTech vaccine could be significantly effective at reducing transmission of the virus.

Israel has been vaccinating the population at a rapid pace and a study conducted by Pfizer and the Israeli Health Ministry shows that the vaccine is 89.4 percent effective at preventing infections, whether symptomatic or not.



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