What You Need To Know
Please find below the NJDOH vector-borne surveillance report for week 27.
Report highlights:
- Sixteen mosquito pools tested positive for West Nile Virus (WNV) this week in eight counties (additional tests pending). The number of positive pools this week is higher than the 5-year average. There has been a total of 54 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 is reporting 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 (47 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 decreased and is below the average number reported this week in the past two years.
- In week 27, the number of tick-related ED visits increased but 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 and can be accessed on the “Fight the Bite N.J.” webpage.
Previous reports can be accessed anytime on our website.