“For now, after a year of hard work and so much sacrifice, the rule is very simple: get vaccinated or wear a mask until you do,” Biden said.
Moderna vaccine adds to the growing list of vaccines that have been validated by WHO for emergency use.
People who get the vaccine using this method will have to pay up to NT$600 (US$21) per shot, in contrast to the NT$80-NT$200 per shot that those on the priority list are required to pay.
The Oxford-AstraZeneca vaccine has been approved for use in the UK, with the first doses due to be given on Monday amid rising coronavirus cases.
The UK has ordered 100 million doses - enough to vaccinate 50 million people.
AstraZeneca chief executive, Pascal Soriot, told the Sunday Times more tests were needed to be sure, but hailed the discovery of what he called a “winning formula” to improve the vaccine’s efficacy.
Trio’s pledge comes as FDA works towards vaccine approval
Overall results showed 70% protection, but the researchers say the figure may be as high as 90% by tweaking the dose.
President Donald Trump called coronavirus expert Anthony Fauci a “disaster” on Monday, airing his frustration with the scientist during a call meant to reassure campaign staff he has a path to victory on Nov. 3 despite trailing in opinion polls.