New Jersey DOH vector-borne surveillance report, week 40

Date:10/14/2021
Official Message No.:111094-10-14-2021-PHUP
Contact Info: Mervin Keith | Mervin.Cuadera@doh.nj.gov
Kim | kim.cervantes@doh.nj.gov
Attachments: Yes Attachment 1

Please find attached the NJDOH vector-borne surveillance report for week 40.

Report highlights:
  • To date, there have been 32 WNV human cases reported in 12 counties, which is the 4th highest number of annual cases after 2018 (61 cases), 2012 (48 cases), and 2003 (35 cases). In a typical year, there are 8 reported WNV cases.
  • WNV cases have been reported in Atlantic (1), Bergen (4), Burlington (7), Camden (7, including 1 confirmed fatality), Cumberland (1), Essex (3), Gloucester (1), Mercer (1), Middlesex (1), Monmouth (4), Ocean (1), and Somerset (1) counties. There were also 3 asymptomatic viremic blood donors reported in Burlington and Monmouth (2) counties.
  • Peak illness onset dates were between the last week of August and the last week of September.
  • West Nile virus (WNV) has been detected in 11 mosquito pools so far this week and to date, 953 pools have tested positive for WNV, with the highest numbers in Bergen and Union counties. This is the 3rd highest number of WNV positive pools after 2018 (1,331 pools) and 2012 (992 pools). Activity has been decreasing since week 35.
  • 26 pools have tested positive for EEE in southern N.J., which is higher than the same period in 2020, but is consistent with 5-year averages. There have been no EEE human cases but 3 EEE positive horse cases reported in 2021.
  • To date, 6 pools have tested positive for JCV and 1 human case was reported early in the season in Sussex County.
Previous reports can be accessed anytime on our website at: https://www.nj.gov/health/cd/statistics/arboviral-stats/index.shtml 

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