Can an asymptomatic person infect dozens of people on a bus?

Can an asymptomatic person infect dozens of people on a bus? After a real event, the investigation carried out says yes.

In addition to being powerful, the new coronavirus is complex. There are people who have symptoms, in which case it is easier to identify, but there are also people without symptoms (asymptomatic) who are also a source of contamination.

Asymptomatic can infect several people ...
A group of Chinese experts published in the rAmerican Medical Evista Jama Internal Medicine a very interesting research on the impact of an asymptomatic.  The goal is to understand if the coronavirus is transmitted through the air and how it behaves in poorly ventilated spaces.
Recall that, in January of this year, an infected and asymptomatic passenger infected a third of the poorly ventilated bus where he was traveling, during a trip of less than an hour.  A 60-year-old, without symptoms, was probably the initial case, having had previous contacts with people from Wuhan, where the epidemic began.  He was traveling sitting on the right side, in the middle of vehicle 2, between two passengers.  Given this scenario, it was concluded that the coronavirus is transmittable through the air ... but more research / studies were lacking.
The thesis of the transmission of the virus in the air, that everyone exhales and inhales, instead of the large droplets expelled by sneezing and coughing, was initially neglected by health authorities around the world, before a radical change this summer before pressure from many respiratory virus experts.  and an accumulation of studies on the presence of viral particles in microdroplets in the air exhaled by simple speech, reveals Lusa.

Regarding the case that occurred in January, 23 passengers of this vehicle were contaminated, among 68 people.  No infections were recorded in vehicle 1, which is identical to 2. According to the assessment, the vehicle's air conditioning system recirculated the air inside the vehicle and did not renew it, which likely contributed to the spread of the virus, they concluded.  the authors of the research.  As a conclusion to the investigation, those responsible said that ...

This survey suggests that, in closed environments where air recirculates, SARS-CoV-2 is a highly communicable disease.

The detailed study, which includes a plan of the vehicle with the position of each infected person, joins others in the same direction, specifically the case of multiple contamination between tables in a restaurant in Guangzhou, probably powered by a ventilation system that does not renew indoor air.