Basics of COVID-19 (Virus and variants, mode of transmission)

The new Coronavirus which is called Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) was first isolated from a cluster of people having pneumonia in Wuhan, China. It causes COVID-19, which is an infectious disease which has spread worldwide, leading to the ongoing pandemic. [CO for corona, VI for virus, D for disease and 19 for when the outbreak was first identified (31 December 2019)]

The virus can spread from an infected person’s mouth or nose in small liquid particles when they cough, sneeze, speak, sing, or breathe. These particles range from larger respiratory droplets to smaller aerosols.

As per current knowledge, the virus is not known to spread through feces, urine, breast milk, food, wastewater, drinking water, or via animal disease vectors (although some animals can contract the virus from humans).

Image Source: World Health Organization website (www.who.int)

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Basics of COVID-19 (Virus variants and mode of transmission)
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