Please choose the correct ending to complete the given sentence: Health: [header] How to avoid getting the flu in winter [title] Get the flu shot every year. [step] Every person over the age of 6 months should get a flu shot every year, usually in the early fall before flu season begins. There are a few different flu shots available, so ask your doctor or pharmacist which vaccine is right for you.

Ending1: The most common flu vaccines are chlorhexidine, fluconazole, griseofulvin, and neuronoxiclovir. [substeps] The proper dosage for you should be 1-600 mg once a day. Ending2: Get your flu shot at a doctor's office, clinic, pharmacy, college health center, or even in some schools and workplaces. [substeps] Last year's shot won't protect you from this year's flu-get a shot every year. Ending3: [substeps] Flu shots can be given as an infant, as an adult, or during pregnancy. For children between the ages of two and five years old, the flu can be given as an injection into the child's brain. Ending4: [substeps] Some vaccines also require people to have a provisional vaccination at least every one year. See if your doctor specifies the brand, type, species, and year of the flu for medical assistance with choosing a shot that will meet your needs.

Answer format: ending1/ending2/ending3/ending4