Otitis media with effusion does not necessarily follow acute otitis media. Theories to explain the development of middle ear effusion in this case include the secretion of fluid from inflamed middle ear mucosa.
About Vaccine Information Statements. Vaccine Information Statements (VISs) are information sheets produced by the Centers for Disease Control and Prevention (CDC). VISs explain both the benefits and risks of a vaccine to adult vaccine recipients and the parents or legal representatives of. vaccinees who are children and adolescents.
Some vaccines may also contain preservatives to keep the vaccine safe. Other vaccines may contain an aluminum salt, which helps the body to speed up the immune response. Nevertheless, vaccines are the only medically approved method to implement body with mechanisms of fighting viruses. Immunization schedule in Nigeria.