Claim: Nearly 99% of Covid-19 patients who are vitamin D deficient die, according to a research study.
Fact-check: Covid-19 study that links deaths to low vitamin D levels is flawed - Full Fact
Verdict: a study from indonesia did claim to show this, but there are problems with the study methods that mean it doesn't prove this is the case. the paper has now been removed by the authors from the online research library it appeared on.
Organisation: Full Fact
Author: Kate Lewis
Date published: 2020-06-30T00:00:00