Beijing barred WHO specialists from entering China at the last minute, highlighting the regime's continuing cover-up and attempts to whitewash the origin of the novel coronavirus.
Hundreds of millions of doses of Pfizer-BioNTech and Moderna, which have a 95% and 94% efficacy rates respectively, are rolling out worldwide.
Beijing is on a global charm offensive, analysts say, but its 'vaccine diplomacy' is not without conditions.
At least one volunteer in trials for the vaccine made by Chinese drug giant Sinopharm presented neurological symptoms corresponding to a condition called Guillain-Barre syndrome.
Lax standards and untrained doctors endanger Pakistani donors and recipients alike, while Chinese hospitals and the regime rake in profits by selling the organs of convicted criminals.
For China, where COVID-19 originated, the global pandemic has been a major economic boon. It is the only world economy expected to post positive gains in 2020.
Many of Sinopharm's trials are happening overseas, and the Chinese firm has offered little clinical evidence to back up its claims of success.
Under Beijing's 'emergency use' scheme, tens of thousands of Chinese have received unproven COVID-19 test vaccines, worrying global health specialists.
Beijing is dangling the prospect of free COVID-19 vaccines to countries vital to its interests in apparent exchange for co-operation on strategic issues and economic 'assistance'.
Inhabitants of the region deserve such relief after suffering through years of terrorism, officials say.