Flu Avert IN from Merck is a modified live intranasal equine influenza vaccine labeled for use in horses. This vaccine is designed to stimulate local immunity in the upper respiratory tract, the primary site of influenza virus entry. Flu Avert IN is indicated to aid in the prevention of equine influenza caused by influenza A virus. The intranasal route of administration supports rapid onset of protection and is commonly used in horses with a higher risk of exposure, including those in training, competition, transport, or group housing environments.
