Explain What do you now know about the COVID pandemic?

This is NOT an essay/research. This is a reflective/opinion piece. NO references

What do you now know about the COVID pandemic?

Write a short text (~200 words) on what you now consider to be key issues raised by the COVID-19 pandemic and reflect upon the extent to which your understanding of the pandemic and the role of the medical sciences in addressing it have changed since September 2020.