Additional file 1 of SARS-Co-V2 infection in never, former, and current tobacco/nicotine users: a cohort study of 4040 Egyptian healthcare workers
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- Mostafa, Aya; El-Sayed, Manal H.; El-Meteini, Mahmoud; Saleh, Ayman; Omar, Ashraf; Mansour, Ossama; Girgis, Samia; Hafez, Hala; Kandil, Sahar
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Additional file 1: Supplementary Table 1. Self-reported pre-existing medical conditions among healthcare workers (n = 4040). Supplementary Table 2. Symptoms reported by healthcare workers (n = 4040). Supplementary Table 3. Factors associated with positive SARS-Co-V2 test among healthcare workers excluding electronic device users (n = 4006).