0
0.5
1
1.5
2+
Case
1%
Improvement
Relative Risk
Zinc for COVID-19 Louca et al. Prophylaxis
Does zinc reduce COVID-19 infections?
Retrospective 372,720 patients in the United Kingdom
No significant difference in cases
c19early.org
Louca et al., BMJ Nutrition, Preventio.., Nov 2020
Favors zinc
Favors control