What You Need To Know
Please find below the NJDOH vector-borne surveillance report for week 25.
Report highlights:
- Four mosquito pools tested positive for West Nile Virus (WNV) this week in Hudson, Mercer, and Ocean counties (additional tests pending). There has been a total of 15 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) 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 (42 cases) compared to the same timeframe in 2023 (10 cases), associated with outbreaks in several Latin American countries.
- The number of Lyme disease cases this week is similar to the average number reported this week in the past two years.
- In week 25, the number of tick-related ED visits remained level 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.