A Queenstown resident with measles is being treated in isolation, the Southern District Health Board says.
The patient who is infectious had visited several locations in Queenstown including a restaurant and a hair salon before they realised they were infected.
The infected individual had already visited Queenstown Medical Centre while they were ill.
Public Health South urges anyone who may have been in the following locations during the specified periods who are not sure if they are immune to measles to check their status with their general practitioner.
• Seoul Garden Restaurant in O'Connell Mall October 5-9 (Queenstown).
• Bus service between Lake Hayes Estate and downtown Queenstown at 8:50am on October 6.
• Crew Stylists in the Louis Vuitton Building, The Mall, October 5 (Queenstown).