0
0.5
1
1.5
2+
Mortality
37%
Improvement
Relative Risk
Mortality (b)
24%
Zinc for COVID-19 Frontera et al. LATE TREATMENT
Is late treatment with zinc + HCQ beneficial for COVID-19?
PSM retrospective 3,473 patients in the USA
Lower mortality with zinc + HCQ (p=0.015)
c19early.org
Frontera et al., Research Square, October 2020
Favors zinc
Favors control