Hong Kong is still grappling with coronavirus outbreaks and stringent social distancing measures that are especially hard on bars, restaurants and the tourism industry.
BioNTech and Fosun Pharma have not found any reason to believe the product is unsafe, according to a statement by the Hong Kong government.
"We were able to leverage the unique high-throughput capacity that was already in place and apply it to SARS-CoV-2," said researcher Alejandro Balazs from Massachusetts General Hospital in the US.
The Pfizer-BioNTech and Moderna messenger RNA (mRNA) vaccines for COVID-19 are authorised for emergency use in many countries.
According to CNN, blood serum samples from people who had received two doses of the Pfizer-BioNtech vaccine "efficiently" neutralised a version of the virus.
Citing US officials, the report said on Sunday that four online publications linked to Russian intelligence agencies have been spreading misleading information about Covid-19 vaccines.
The US and German companies said in a statement that the doses come on top of the 300 million initially ordered.
Under the current plan, about 20,000 front-line medical workers at hospitals in Japan will get their first shots beginning around Wednesday.
The research, published in the journal Nature Medicine, noted that the vaccine is effective against coronavirus variants carrying the N501Y and E484K mutations.
The AI-assisted method predicted 26 potential vaccines that would work against the coronavirus.
Pfizer will continue to engage with the authority and resubmit its approval request with additional information as it becomes available in the near future.
"In order to respond to an increased global demand, we plan to manufacture two billion doses of our Covid-19 vaccine in 2021 by expanding the previously expected output of 1.3 billion doses by more than 50 per cent," BioNTech said in a statement
In a yet-to-be peer reviewed research, scientists from the University of Texas Medical Branch, tested the ability of blood serum from 20 individuals immunised with the Pfizer-BioNTech vaccine to neutralise coronavirus engineered to carry the new mutations
The approval to Covaxin has been questioned by industry experts and some opposition Congress leaders who have expressed concern over the absence of phase 3 trial data
The Spanish branch of Pfizer informed Madrid on Sunday night of the delay in shipments to the eight nations due to a "problem in the loading and shipment process" at its plant in Belgium, the health ministry said in a statement.
In a virtual press conference this week, Sahin spoke about the potential virus deadline when asked when life could return to normal.