Please choose the correct ending to complete the given sentence: Health: [header] How to protect yourself from meningitis [title] Wash your hands regularly. [step] The best way to prevent meningitis is to make personal hygiene a priority. Wash your hands throughout the day.

Ending1: [substeps] Wash your hands for at least two minutes before stopping for a bathroom break or to take a cool-down break. Since your hands are dirty, inspect your hands thoroughly with shampoo, thoroughly dry them after you're finished, and repeat the process three to four times a day. Ending2: Also wash your hands after eating or touching your face. [substeps] You can also wash your hands before and after touching any surfaces which could put a strain on your immune system. Ending3: You should wash your hands after using the bathroom, before and after eating food, before and after preparing food, and after handling animals, sneezing or coughing, and interacting with a sick person. [substeps] Strive to wash your hands for about 20 seconds. Ending4: You can use your sanitized hand sanitizer right away or rinse your hands after touch-ups. [substeps] Although it doesn't have to be every day, washing your hands does help to maintain proper hygiene.

Answer format: ending1/ending2/ending3/ending4