From: Association between fatality rate of COVID-19 and selenium deficiency in China
Citya | No. of cases | Case fatality rate (%) | Selenium feed levelb | Selenium soil levelc |
---|---|---|---|---|
Suihua | 47 | 8.51 | severe-selenium-deficient | severe-selenium-deficient |
Cangzhou | 49 | 6.12 | moderate-selenium-deficient | severe-selenium-deficient |
Shuangyashan | 52 | 5.77 | severe-selenium-deficient | moderate-selenium-deficient |
Taian | 35 | 5.71 | severe-selenium-deficient | severe-selenium-deficient |
Lanzhou | 36 | 5.56 | moderate-selenium-deficient | moderate-selenium-deficient |
Dezhou | 37 | 5.41 | moderate-selenium-deficient | severe-selenium-deficient |
Xinxiang | 57 | 5.26 | moderate-selenium-deficient | severe-selenium-deficient |
Zhaoqing | 20 | 5.00 | non-selenium-deficient | non-selenium-deficient |
Xingtai | 23 | 4.35 | moderate-selenium-deficient | severe-selenium-deficient |
Daqing | 27 | 3.70 | severe-selenium-deficient | moderate-selenium-deficient |