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Research

Effect of a test-and-treat approach to vitamin D supplementation on risk of all cause acute respiratory tract infection and covid-19: phase 3 randomised controlled trial (CORONAVIT)

BMJ 2022; 378 doi: https://doi.org/10.1136/bmj-2022-071230 (Published 07 September 2022) Cite this as: BMJ 2022;378:e071230

Linked Editorial

Can vitamin D protect against covid-19?

Linked Research

Prevention of covid-19 and other acute respiratory infections with cod liver oil supplementation, a low dose vitamin D supplement