A baby remains in Rotorua Hospital and a group of Rotorua people in quarantine as part of the measles outbreak.
The 15-month-old was taken to Rotorua Hospital on Friday and had previously been in quarantine after it was linked with people who may have been in contact with measles.
Bay of Plenty Medical Officer of Health Dr Phil Shoemack said he wasn't sure which area the baby was from or how many people were in quarantine.
The North Island outbreak has so far affected 13 people, mainly from the Taupo and Turangi area.
It originated from an international hip-hop dance competition in Sydney last month, where an Auckland dancer caught the disease. The most infected were dancers and extended family from Turangi troupe Original Kids Krew.