Not as such but there's been lots of discussion on the subject.
The best article: eu.usatoday.com/story/news/factcheck/2020/04/23/fact-check-no-evidence-passing-gas-spreads-covid-19/5152813002/
tl;dr: It's possible but massively unlikely.
The virus is certainly present in stool samples, even weeks after infection. Faecal matter is present in unimpeded farts, but much, much less present in farts that have passed through underpants and clothing.
( ,
Wed 16 Dec 2020, 18:43,
archived)
tl;dr: It's possible but massively unlikely.
The virus is certainly present in stool samples, even weeks after infection. Faecal matter is present in unimpeded farts, but much, much less present in farts that have passed through underpants and clothing.