World Health Organization experts have issued recommendations saying that the interval between administration of two doses of the Pfizer-BioNTech vaccine can be extended to up to six weeks

Source:
https://www.washingtonpost.com/world/who-amid-short-supplies-vaccine-doses-can-be-6-weeks-apart/2021/01/08/d8a94e26-51ac-11eb-a1f5-fdaf28cfca90_story.html?utm_source=rss&utm_medium=referral&utm_campaign=wp_world

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