I recall on more than one occasion during a Trump presser some young attractive chinese woman would begin asking abrasive questions and Trump would stop and ask who they work for and if it was state owned. The answer was 'chinese media outlet whatever' and 'lie that it is privately owned' which was quickly proven to be a lie. Chinese agents were sitting in the White House press room, protected by the other presstitutes, and reading out communist talking points to the US President.
We're in a cold war with China and they are winning.
Why does it have to be approved ..it has been used for fifty years all over the world...
The only study you need was the death rate in malaria countries against those in the west after the first month..