Quite a few of these are required and proof must be shown to enter several countries around the world with malaria, dengue fever. yellow fever two of the hepatitis and others.
When I board planes in gateway cities to go to third world countries I have to show a vaccine booklet that international travelers can carry. I travel abroad to lower income countries in jungle regions and high risk places often.
Quite a few of these are required and proof must be shown to enter several countries around the world with malaria, dengue fever. yellow fever two of the hepatitis and others.
As an American citizen when have you ever been required to show proof that you have these to get on a plane, cruise ship, go to a sporting event, etc?
When I board planes in gateway cities to go to third world countries I have to show a vaccine booklet that international travelers can carry. I travel abroad to lower income countries in jungle regions and high risk places often.