infections
Overview of Immunization
Vaccine Administration
Vaccines and antibodies are usually given by injection into a muscle (intramuscularly) or under the skin (subcutaneously). Antibodies are sometimes injected into a vein (intravenously). One type of influenza vaccine is sprayed into the nose. More than one vaccine may be given at a time—in one combination vaccine or in separate injections at different injection sites (see Vaccine Safety ). is given to adults, preferably every 10 years. Some vaccines are Childhood Vaccinations (see also Other vaccines are usually given mainly to specific groups of people. For example, the Yellow Fever is given only to people traveling to certain parts of Africa and South America. Still other vaccines are given after possible exposure to a specific disease. For example, the 