COVID- 19 is a disease caused by the SARS-CoV-2 virus, which is approximately 120 nm in diameter. To put it in non-scientific terms, its physical size may be diminutive, but its impact has been devastating on the entire human race. Who knew that this tiny but mighty virus would hold the world hostage or make the year 2020 historical, to say the least. Like all of you, I was not prepared ...

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