People travelling have also been advised to be immunized before they depart Vanuatu.
The Ministry issued a statement as a precaution in response to a measles outbreak reported in some Pacific island countries.
There are currently no cases of measles in Vanuatu.
However, the outbreaks in neighbouring Fiji, Samoa, Tonga and New Zealand pose a risk of the highly-contagious virus being introduced into Vanuatu.
The Ministry said all members of the public play an important role in helping ensure that measles is not brought to Vanuatu.