Please choose the correct ending to complete the given sentence: Health: [header] How to prevent cytomegalovirus (cmv ) [title] Wash your hands. [step] Washing your hands often and thoroughly with soap and water for 15-20 seconds can help prevent cmv, especially after changing diapers or touching saliva, urine, or nasal secretions from a young child. To wash your hands properly, use soap and lather for at least 10 seconds.

Ending1: Then wash with cold water and a little hands soap. [substeps] Make sure to wash your hands from the wrists down as opposed to the feet to prevent cytomegalovirus from spreading from the knees down. Ending2: Make sure you wash them for at least 15 seconds during a day of active activity, such as swimming or taking your dog for a run. [substeps] You can use a hand sanitizer to wipe between your hand and the fingers. Ending3: [substeps] Don't pad your hands with your thumb, ring, or fingernail while you wash your hands. Disposable (sanitary) sanitary products, such as sanitary wipes, are an example of a sanitary choice. Ending4: Be sure to scrub the backs of your hands as well as your palms. Get under the fingernails and between the fingers.

Answer format: ending1/ending2/ending3/ending4