New facts on Corona Transmission. Anything proved scientifically about viral load? 😲

scientific evidence emerged about Coronavirus Transmission.
To successfully infect a person, the virus needs approximately a dose of 1000 Viral Particles. Breathing, speaking, coughing and sneezing are the typical acts, cause environmental spread.
Do you want to know whether you are successfully infected?
You can find your risk by comparing indoor vs out doors, narrow space vs large ventilated space, high people density vs low people density and longer exposure vs brief exposure. The risk will be higher for former scenarios in each comparison