Spitting and Coughing on the Street: A Habit or a Health Risk?
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In every busy corner of our cities — bus stops, markets, footpaths — it’s not uncommon to see people spitting, coughing, or sneezing without covering their mouths. For many, it’s a simple habit or social norm. But in reality, this behavior is a serious public health concern that spreads infections, contaminates the environment, and endangers community health. A Common Yet Overlooked Problem In Bangladesh, especially in Dhaka, where millions of people share crowded spaces daily, the habit of spitting or coughing openly is alarmingly common. According to the World Health Organization (WHO), respiratory infections such as tuberculosis (TB), influenza, and COVID-19 can easily spread through droplets released when an infected person coughs, sneezes, or spits. A single cough can release up to 3,000 droplets, while a sneeze can produce more than 100,000 droplets, traveling several meters through the air. These droplets can stay suspended or settle on surfaces — and anyone touching or inhal...