They do help, but you need give it early enough. Most unvaccinated patients do not seek help until they are clearly more sick than a normal flu. They wait unti

They do help, but you need give it early enough. Most unvaccinated patients do not seek help until they are clearly more sick than a normal flu. They wait until they have trouble breathing. And at that time it is already very likely they are going to be hospitalized anyway. They might react better with antibody treatment but they are still going to have to be admitted. Whereas vaccine does not need to be given at exactly right time to be effective.