Detection of coronavirus-2 by real-time reverse transcription polymerase chain reaction in conjunctival swabs from patients with severe form of Coronavirus disease 2019 in São Paulo, Brazil

New article: Detection of coronavirus-2 by real-time reverse transcription polymerase chain reaction in conjunctival swabs from patients with severe form of Coronavirus disease 2019 in Sao Paulo, Brazil https://t.co/naAAIKe0xt #coronavirus #COVID19 #2019nc

3,554/ Brazil (current tobacco smoking age 15+ was 13.8% in 2017) Of 50 with severe or critical Covid-19, 6% were smokers & 20% were previous smokers Note: in text it says, "previous or current smoking (30%)", so 2 patients may not have been counted