A dengue outbreak was declared in Tonga on 19 February. Photo: Tonga Ministry of Health
Tonga's Ministry of Health says 22 new cases of dengue fever were picked up in recent tests, bringing the total cumulative cases to 815.
The majority of the confirmed cases are on the main island, Tongatapu.
Five people were currently in hospital,all in a stable condition.
There have been no new deaths following the three reported to date, according to the Ministry of Health.
A dengue outbreak was declared in the kingdom in February. The disease is spread by mosquitos.
Outbreaks have also been declared in Samoa, Fiji and Cook Islands.
Sign up for Ngā Pitopito Kōrero, a daily newsletter curated by our editors and delivered straight to your inbox every weekday.