What You Need To Know
Please find below the NJDOH vector-borne surveillance report for week 31.
Report highlights:
- New Jersey is reporting one neuroinvasive human case of Eastern Equine Encephalitis (EEE) in week 27 from Atlantic County. This is the first reported human case of EEE in the state since 2019. One horse tested positive for EEE in week 31 from Atlantic County. Two mosquito pools tested positive for EEE this week from Morris and Hunterdon counties. There has been a total of 6 EEE positive pools in 2024.
- One additional West Nile virus (WNV) viremic blood donor (PVD) was reported this week in Passaic County. To date, there are two human cases of WNV from Middlesex and Union counties and two PVDs from Passaic and Somerset counties. Eighty-six mosquito pools tested positive for WNV this week in 11 counties (additional tests pending). The number of positive pools this week is higher than the 5-year average. There has been a total of 412 WNV positive pools in 2024.
- To date, one human case of Jamestown Canyon Virus (JCV) was reported in week 19 from Sussex County and JCV has been detected in two mosquito pools in Cumberland County.
- The number of travel-associated dengue cases is higher in 2024 (59 cases) compared to the same timeframe in 2023 (20 cases), associated with outbreaks in several Latin American countries.
- The number of Lyme disease cases this week continued to decrease and is below the average number reported this week in the past two years. The number of several other tickborne diseases is lower this year than expected.
- In week 31, the number of tick-related ED visits continued to decrease and is lower than the 5-year average. The highest number of visits were in the northwest 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.