1. Covid-recovered and Vaccinated + pro-mask
2. Covid-recovered and Partly-vaccinated + pro-mask
3. Covid-recovered + pro-mask
4. Vaccinated + pro-mask
5. Partly-vaccinated (< 14 days after 2nd shot) + pro-mask
6. Covid-recovered and Vaccinated + anti-mask
7. Covid-recovered and Partly-vaccinated + anti-mask
8. Covid-recovered + anti-mask
9. Vaccinated + anti-mask
10. Partly-vaccinated (< 14 days after 2nd shot) + anti-mask
11. Covid-naive + Unvaccinated + anti-mask