Mosquitoes and no see ‘ums (tiny sandflies) bite throughout the islands, so slather on insect repellent. In addition to being an itchy nuisance, mosquitoes spread Zika virus, which has been reported in the islands and is of particular concern to pregnant women. The islands also see occasional cases of dengue, another mosquito-borne virus. Check with the Centers for Disease Control (www.cdc.gov) for further information.

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Before You Go

Recommended Vaccinations

For most foreign visitors, no immunizations are required for entry to the US Virgin Islands, though cholera and yellow-fever vaccinations may be required of travelers from areas with a history of those diseases.

Health Insurance

It’s essential to purchase travel health insurance if your regular policy doesn’t cover you when you’re abroad. Check www.lonelyplanet.com/travel-insurance for supplemental insurance information.

Some policies specifically exclude 'dangerous activities' such as scuba diving. If these activities are on your agenda, make sure you get a policy that covers them.

In USVI

Availability & Cost of Healthcare

St Thomas and St Croix have modern hospitals. You will find walk-in clinics and pharmacies on all three islands. Pharmacies sometimes run out of medications. If you are dependent on a particular medication be sure to travel with it, and with a copy of your prescription. Without health insurance, care in the USVI is costly.

Tap Water

Tap water is safe to drink, unless specified otherwise.