Public Health Info: NJDOH Vector-borne Disease Surveillance Report

What You Need To Know

Please find below the NJDOH vector-borne surveillance report for week 26.

Report highlights:

Fifteen mosquito pools tested positive for West Nile Virus (WNV) this week in seven counties (additional tests pending). The number of positive pools this week is higher than the 5-year average. There has been a total of 31 WNV positive pools in 2024.
There have been no human or animal cases of WNV reported in New Jersey in 2024.
Two mosquito pools have tested positive for Jamestown Canyon Virus (JCV) this year in Cumberland County.
New Jersey reported one case of Powassan virus from week 19 in Sussex County. This is the first Powassan case in NJ since 2022, when 2 cases were reported in Sussex County.
The number of travel-associated dengue cases is considerably higher in 2024 (42 cases) compared to the same timeframe in 2023 (13 cases), associated with outbreaks in several Latin American countries.
The number of Lyme disease cases this week is below the average number reported this week in the past two years.
In week 26, the number of tick-related ED visits continued to decrease and was lower compared to this time last year and to the 5-year average. The highest number of visits was in the central east region.

N.J. vector-borne disease data is available online: https://bit.ly/VectorBorne and can be accessed on the “Fight the Bite N.J.” webpage: https://www.nj.gov/health/cd/topics/vectorborne.shtml.