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COVID vaccine plans tweaked around the world in attempt to boost effectiveness against Delta variant – ABC News
As outbreaks driven by the Delta variant take hold across the globe, a number of countries are changing their approach to vaccinations…

A growing list of countries have switched up their vaccination strategies in recent weeks as they race to control surges in Delta COVID-19 cases.
Driving the change in plans is an attempt to prioritise vaccines thought to be more effective against the highly…
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