Morobe Provincial Authority headquarters in Lae, Papua New Guinea
Photo: RNZ / Johnny Blades
Lae town, in Morobe Province has been placed in lockdown until Friday next week.
This follows a spike in numbers in Lae, Huon Gulf and Nawaeb Districts.
The Morobe Provincial Emergency Operations Committee issued an edict saying a 'No mask No Entry' rule would apply to all government offices and businesses.
Bars, social clubs and gambling houses are closed until 19 March.
Hotels, motels and guest houses must comply with the various directives.
Shops and traditional markets can open but customers must wear masks, wash hands and sanitise before entering.