Photos circulating online show some Ugandan commercial buses carrying only two passengers per row, leaving reasonable space between the passengers.

Aside from the spacing, all passengers are seen wearing nose masks including the driver himself.

See photos below:

Commercial buses carry only 2 passengers per row (photos)
Commercial buses carry only 2 passengers per row (photos)
Commercial buses carry only 2 passengers per row (photos)
Commercial buses carry only 2 passengers per row (photos)
Commercial buses carry only 2 passengers per row (photos)
Commercial buses carry only 2 passengers per row (photos)