"90% of infectious virus was inactivated every 6.8 minutes in simulated saliva & every 14.3 minutes in culture media when exposed to simulated sunlight"
#covid19
academic.oup.com/jid/advance-ar…
So, I'll say that this may be interesting in thinking about reduced risk of fomites in the outdoor setting.
It's unclear to me what this means in terms of respiratory droplets, the main mode of transmission.
I look forward to seeing more research in this area, and the paper is interesting/worth a read.