If people do not take the jab, Philippines will have to waste numerous doses.
"It can not be used after the expiration date, and BioNTech's community vaccination centers will stop in September as planned", he added.
Pictures of him receiving the injection at Coventry's University Hospital last December - shortly after 90-year-old Margaret Keenan - made the front pages of numerous newspapers, including a New York Post report with the headline "Taming of the Flu".
Hong Kong warned Tuesday it may soon have to throw away coronavirusvaccine doses because they are approaching their expiry date and not enough people have signed up for the jabs.
Hong Kong bought 7.5 million doses each of Pfizer-BioNTech vaccine and China'sSinovac.
Having received their second dose of the COVID-19 vaccine at least six months ago, participants will be randomized into groups to receive either a COVID-19 booster with 20vPnC; a placebo COVID-19 shot with 20vPnC; or a COVID-19 vaccine with placebo 20vPnC. "What we have is probably all we have for the rest of the year".
The latter has not yet been approved by the World Health Organization, but was quickly tracked for use by the city's health regulators.
The health workers also haven't taken the full dose with only a third of its staff vaccinated, according to authorities. Despite this, just 14% of Hong Kongers have received two doses.
The territory now has around two million Pfizer shots that will be out of date in three months.
So far, a total of 3,263,000 Pfizer-BioNTech vaccines have been shipped to Hong Kong, but only 1,231,600.
Hong Kong vaccine hesitation occurs when many neighbors are fighting to ensure that the coronavirus is in sufficient dose to cause havoc.
Some local politicians have suggested Hong Kong could export unused vaccines to countries in need if take-up does not improve.
Officials have also struggled to come up with incentives to encourage vaccination in a city where long quarantine measures and economically painful social distancing rules have kept infections low.
Earlier this year, the government announced the distribution of shopping vouchers worth 5,000 Hong Kong dollars (526 euros) to boost the economy, and there were proposals to make them conditional on vaccination. No part may be reproduced without written permission, except for fair transactions for personal investigation or research purposes.