Doctors on alert as dengue fever cases surge among people returning from overseas
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SCIENCE PHOTO LIBRARY
Doctors are being warned to be on alert for people with symptoms of
dengue fever
as the number of cases in New Zealand surges.
National Public Health Service physician Dr Sharon Sime told
Midday Report
public health teams are also seeing a surge in cases among people returning home after picking up the illness overseas.
Dengue cases in the Pacific are at their highest level in almost a decade, with Samoa particularly affected with
more than 2000 cases reported
and multiple deaths since an outbreak was declared in April.
In New Zealand, there have been 208 cases of dengue nationally in the year to date. Of those, 103 cases were recorded in Auckland this year, double the amount recorded for all of 2024. Around a third of the cases so far this year have also ended up being hospitalised.
"What's different with dengue fever is many people with dengue don't have symptoms," Dr Sime said. "So, the ones that we diagnose is likely an under representation of the number of cases."
New Zealand does not have mosquitoes able to transmit dengue, so you can't get the disease in New Zealand, Dr Sime said. While you cannot catch dengue fever from another person, you can get it from infected mosquitoes in an area or region that has dengue, and there is no available vaccine in New Zealand.
"At the moment, our climate wouldn't work for the particular type of mosquito that carries dengue. We do also have a monitoring programme at our airports and our ports where we are constantly monitoring for any imported mosquito, just so that we would get an early warning of any chance of these mosquitoes surviving in New Zealand," Dr Sime said.
Symptoms of dengue fever include a sudden high fever, intense headache, pain behind the eyes, muscle and joint pain, tiredness, nausea, vomiting and a fine rash, which may be itchy and usually begins on the extremities, but spares the palms and soles of the feet.
Many people infected with dengue will only have mild symptoms, but a small number of people may get severe dengue and require hospital care.
Dr Susan Jack, National Clinical Director for National Public Health Service, said people over 60 years old and children aged 10 and under are also at greater risk of severe illness from dengue.
Dr Jack said if you're travelling outside Aotearoa New Zealand to an area with dengue, protect yourself by:
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