KAUAI, Hawaii — The Department of Health launched a survey for recent visitors to the Kalalau Trail in an effort to understand how norovirus spread and infected more than three dozen people.

What You Need To Know

  • DOH said in a release that the survey will help them identify cases of norovirus that may not have been reported

  • It will also help gather information from both visitors who did not become sick and from those who did become sick, allowing DOH to identify activities and locations that are associated with a higher risk of becoming ill

  • The survey will be sent to visitors who held permits to the Napali Coast State Wildenress Park between July 1 to Sept. 4

  • Others can access the survey with this link

DOH said in a release that the survey will help them identify cases of norovirus that may not have been reported. It will also help gather information from both visitors who did not become sick and from those who did become sick, allowing DOH to identify activities and locations that are associated with a higher risk of becoming ill.

Visitors who held permits to the Napali Coast State Wilderness Park between July 1 and Sept. 4 will be sent a link to the survey by email. Others can access the survey with this link.

DOH encourages anyone who visited the park during the dates above to take the survey, even people who may have already spoken with health officials. Survey responses will be confidential.

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The DLNR Division of State Parks announced Friday the entire Kalalau Trail would be closed at least until Sept. 19 after 37 hikers were confirmed to have norovirus. The highly contagious virus causes severe nausea, vomiting and diarrhea. 

DSP crews are disinfecting comfort stations along the trail. 

Ha‘ena State Park and Kē‘ē Beach remain open with enhanced cleaning and disinfection of the comfort stations.