Sinister coughing at the bus stage

You are in a queue waiting for the next bus. It is late in the evening and true to the sights observed at such hours in Nairobi, the queue is long; long enough to wind across several building. I say sights of Nairobi because if there are two things you can be certain off once the clock strikes five in the city, it is the growing queues at bus stops as people stream out of their offices and the heavy traffic that will cascade down to certainty number one, that is, the long queues which eventually become long stagnant queues as the buses are nowhere to be seen since most of them are...stuck in...