"For the past fifteen years, the Puna District on the east side of the Big Island of Hawaii has been ground zero for cases of rat lungworm disease."
-kamaainatermite.com/179-risks-dangers-of-rat-lungworm-disease-in-hawaii/
Tourists who contract rat lungworm from a visit to Hawaii will most likely rely on a clinician back home that's probably never heard of the disease for a proper diagnoses. 

Here's some searches for help and understanding:
> Brain Disease Market - Global Industry Analysis, Size, Share, Growth, Trends and Forecast
> "rat lungworm hawaii" on facebook groups and pages
> RussellRuderman.com - RAT LUNGWORM DISEASE – FUNDING ARTICLE

Btw, Hawaii is totally unsafe for patients who wish to use whole-plant medicine to treat rat lungworm disease symptoms. Even with a Cannabis license patients are still considered criminals. Once in court an affirmative defense may only be used in court if all DOH rules are followed. Unfortunately, most folks have no understanding of the rules.