Unproven???
it is started in China... you are free to deny it.
Ask someone from Pakistani family who will give the answer who lost his/her loved one due to covid.
Or rest of the countries ...... where people died or dying due to Covid... It is just funny to blame on any other country.
I am a cyber security engineer... I always provide the RCA with the source of culprit details during my analysis report. security loopholes can be highlighted but you can never justify to the source of Culprit.
NO country was ready to face such Viral infection in the world.
Example - 8 people died in Pakistan... whom to blame? the source of infection from where is started or
Islamabad [Pakistan], July 28 (ANI): Pakistan reported the highest number of COVID-19 deaths in the last 20 days as eight people died in a single day, according to National Institute of Health, Islamabad (NIH) data.
www.aninews.in