It represents the largest single purchase and donation of COVID-19 vaccines by any single country ever. Pfizer jabs will start being sent out to the world's poorest countries in August.
'Pretending COVID-19 does not exist is not a mitigation strategy and will only lead to mass suffering,' HRW says.
Mounting evidence points to the Wuhan Institute of Virology as the origin of the devastating global pandemic, and China's propaganda machine is working overtime to debunk the theory.
Moscow and Beijing seek to undermine public trust in Western vaccines while promoting their own jabs -- which have raised serious concerns over efficacy, quality control and transparency.
After more than a year of mishandling the pandemic and misinforming the public, Tehran is now forced to impose another lockdown.
The Iranian medical community is opposing the regime's decision to administer Russia's COVID-19 vaccine in Iran. Sputnik V is yet to be approved by the international community.
Beijing's spin took on more urgency in recent weeks as World Health Organisation (WHO) experts arrived in Wuhan to probe the origins of the coronavirus.
Beijing's history of secrecy, disinformation and delays raises concerns that the team of World Health Organisation specialists will find a cold trail more than a year after COVID-19 first emerged.
Iran's Supreme Leader banned the government from importing COVID-19 vaccines from the US and UK, revealing he prioritises political alliances over the Iranian public's health and interests.
The Chinese and Russian vaccines have not gone through transparent, vigorous, independently reviewed processes that guarantee people's safety, health officials say.