Pakistan is going through a phase of rapid multiplication of patients suffering from COVID-19 infection.
Toilets have a lot of high touch surfaces, door handles, faucets, stall doors, soap containers and etc. So fomite transfer risk in this environment can be high. Although an infected person releases infectious material and fragmented virus in faeces and an actual transmission through that may not be a realistic threat, but we do know that toilet flushing does aerosolize many droplets hence public toilets must be used with an extra caution .
A single cough releases about 3,000 droplets and droplets travels at 50 miles per hour. Most droplets are large, and fall quickly , but many do stay in the air and can travel across a room in a few seconds but rarely beyond 2 meters. Hence a strict observation of social distancing can go a long way in protecting one self.
But even if that cough or sneeze was not directed at you, some infected droplets--the smallest of small--can hang in the air for a few minutes, filling every corner of a modest sized room with infectious viral particles. All you have to do is enter that room within a few minutes of the cough/sneeze and take a few breaths and you have potentially received enough viral particles to establish anThe exposure to virus x time formula is the basis of contact tracing.
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