The ministry is appealing to adults to use the buses to go and get their Covid-19 vaccination.
Vanuatu now has about 44,000 doses of vaccines, 24,000 of AstraZeneca through the COVAX facility and 20,000 doses of Sinopharm from China.
So far 7,462 people have received the first dose of AstraZeneca - health and frontline workers, the elderly and those with underlying health conditions.
Meanwhile, the director of the National Disaster Management Office, Abraham Nasak, says there will be a temporary restriction on passengers travelling into Vanuatu.