The number of active cases has climbed to more than 50 in just one week.
Only one of the patients had recovered so far, according to the Municipal Government.
A total of 1,753 residents contracted the coronavirus since March 2020 and 1,601 had recovered, it added.
The total Covid-19 deaths in town were already at 110.
Mayor Romy Pecson has ordered the restriction in the mobility of unvaccinated individuals in connection with the Covid-19 task force guidelines.
The mayor asked his constituents to get vaccinated to get extra protection against the virus.
He also urged the residents to continue observing health protocols to prevent being infected particularly with the new Omicron variant, which is highly transmissible.