

China identified a new virus that had infected dozens of people in Asia

The World Health Organization declared a global health emergency.

Lockdowns and restrictions have been imposed worldwide


Attempts to open the borders and ease restrictions have begun.
Worldwide, lockdowns were reimposed for a second time.
The C.D.C. began developing plans to distribute a coronavirus vaccine.

Global death toll reached 1 million.

Trump, the USA President, tested positive for the virus.
The 2nd and 3rd rounds of lockdowns were reimposed.



Pfizer and Moderna received F.D.A. approval for their vaccine