> Hu said the patient, who was not wearing a mask, was likely to have inhaled aerosols, or tiny particles, breathed out by the infected passengers from the previous group.
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> Aerosols are light-weighted particles that are formed from tiny droplets of bodily fluids.
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> “The possible reason is that in a completely enclosed space, the airflow is mainly driven by the hot air generated by the air conditioning. The rise of the hot air can transport the virus-laden droplets to a greater distance,” said the paper.
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> After getting off the shuttle bus, the initial carrier got on a minibus and travelled for another hour. The virus jumped to two other passengers, one of whom was also sitting 4.5 metres away from patient “A”.
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> By the time the study was finished in mid February, patient “A” had infected at least 13 people.
