It is no exaggeration to say that COVID-19 has literally taken over our lives. Vaccinated or not, most of us still live in fear and anxiety. In fact showing success infection for some, even the vaccinated does not feel completely safe from the potential onslaught of the virus.
Finding out that the virus may be in the air is scary enough, with research also showing that transmission of the coronavirus is higher indoors than outdoors. This means that if you don’t step outside and think the virus can’t reach you because you’re safe and comfortable indoors, the bad news is you can still get infected.
So, what should you do to keep the virus away while confined indoors? Taking other precautions, keeping the indoor air clean, and doing so consistently, is a great answer.
Indoor aerosol carrier of coronavirus
Contrary to the earlier popular belief that only respiratory droplets can transmit infection, it is now established that small aerosols in the air can carry the coronavirus. These aerosols, which are smaller and lighter than respiratory droplets, can not only stay in the air longer but also carry the virus farther and longer. The notion that one can acquire the virus only by coming into contact with a contaminated surface is no longer valid.
Many natural human activities done indoors
We must remember that many of our daily natural and basic activities are conducted in our internal spaces, many of which involve the active and verbal removal of particles. From talking to sneezing and coughing to singing, each one of these actions and others create aerosols in the air that we don’t like, continuing to exchange with others. In fact, many of these activities create even more aerosols than you can breathe. So, if we do not ventilate the room frequently and do not purify the air inside, we can always be susceptible to getting infected from others. Even if there is no COVID patient in a household, the risk of spreading the virus through the air to neighbors or temporary workers cannot be ruled out.
Indoor air is naturally more vulnerable than outside
Unlike outdoor air, which has natural circulation, unfortunately, indoor air does not have the same benefits. In India, the outdoor air itself is not healthy enough for the human respiratory and health system due to high amounts of PM2.5, PM1.0 and other pollutants. Therefore, without timely ventilation and purification, the chances of the indoor air becoming stale and unhygienic and thus more conducive to the ‘design’ of the coronavirus becomes very high. Along with this, there are recent studies that prove that PM2.5 particles are potential carriers of the coronavirus, which carries them over great distances in the air. The high temperatures and humidity that often characterize our tropical climate add to the crisis.
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