The Ministry of Public Health asked unvaccinated people to get their shots against Covid-19 or they may face restrictions.
The ministry plans to give more inoculations over the next two weeks to achieve a target of giving 100 million doses.
More than 85 million doses have been administered while 10 million people have yet to receive a dose.
Nov 27-Dec 5 is being proposed as the nationwide vaccination week with various agencies expected to join.
The Centre for Covid-19 Situation Administration (CCSA) will also order provincial governors to keep encouraging people to get vaccinated as soon as they possibly can.
They may also issue new measures that require people to show proof of vaccination when entering public places.
"The CCSA wants the target group to get their shots and it may come up with measures to give people an incentive to get vaccinated," the public health permanent secretary said.
"And if necessary, the CCSA may impose a rule requiring people to show they have received at least one dose when attending activities in public places," he added.