Please choose the correct ending to complete the given sentence: Health: [header] How to reduce the risk of hospital spread infections [title] Get vaccinated. [step] Some infections and diseases can be prevented with proper vaccinations. If you get the vaccinations you need each year, you can avoid catching certain infections, such as the flu.

Ending1: Over-the-counter vaccinations are usually relatively safe, and most doctors are aware of exactly what they are doing. However, an immunization (vaccine) is an excellent way to prevent the flu. Ending2: The flu can lead to serious complications, especially if you are trying to recover from a surgery or other serious health condition. [substeps] Many adults do not have the vaccinations against hepatitis b and pneumococcal disease (which can cause pneumonia). Ending3: However, there are some diseases that can be covered in multiple vaccines. [substeps] Be sure to get some vaccinations specifically for pneumonia, mononucleosis, measles, herpes simplex virus, and hepatitis b. Ending4: [substeps] You can get your vaccinations from your local health department for a relatively cheap cost. Find out which type of vaccine your doctor recommends before obtaining one.

Answer format: ending1/ending2/ending3/ending4