Winter travellers looking to escape the cold by heading to a warmer locale might be opening themselves up to health risks as hepatitis vaccine supplies are dwindling across the country.

A nation-wide shortage of Twinrix, a vaccine used to prevent both hepatitis A and B, was reported months ago by Canada’s mandatory drug shortage and discontinuation reporting website.

Pharmacists across the country are waiting for the day when Twinrix will be back on the shelves.