Please choose the correct ending to complete the given sentence: Health: [header] How to stay healthy while traveling in the tropics [title] Get ready ahead of your trip. [step] If you are traveling to another country or even a different region of your own country, careful preparation is an important part of your trip. This can help ensure that places you visit don't present any serious health hazards and may minimize your risk of contracting an illness before you leave.

Ending1: [substeps] If possible, get a plane ticket. A short flight either late in the night or early in the morning may be more secure than a long stay on a boat and company car. Ending2: [substeps] The more information you gather and advance preparations you make, the the more you can minimize the risk for health problems. [title] Inform yourself about in-country conditions. Ending3: When you plan to travel abroad, it is important to be on time. Make sure that you pack all of the items you will need to ensure that you won't be in a rush to get home. Ending4: [substeps] Pack whatever meals you will need so as to reduce your risk of hurting yourself or potentially getting sick before you leave. Cover all potential contaminants while you are flying and while traveling.

Answer format: ending1/ending2/ending3/ending4