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A vaccine is a medication given to produce antibodies against a certain infection to prevent that infection from occurring. The vaccination program in the US has dramatically reduced the presence of once-common diseases, including measles, mumps, and polio. Today, most vaccines are given during childhood and adolescence, but some are also needed in adulthood. Many adults are not aware that they could still benefit from new vaccinations and booster doses of vaccinations they received in the past.
Older adults are at higher risk of getting some of the infections that can be prevented by vaccination. In fact, complications from influenza (the flu) and pneumonia are a leading cause of death in older adults. Fortunately, getting the recommended vaccines can greatly reduce the risk of vaccine-preventable infections.
Another reason for getting recommended immunizations is to protect your family, friends, and others around you from becoming ill. Many vaccine-preventable infections can be spread from person to person, so getting vaccinated helps protect anyone who comes in contact with you from contracting these diseases.
If you are an older adult, you may need to get some or all of the following vaccines:
The flu is usually mild in younger people, but can be life-threatening in older adults. Symptoms of the flu may include fever, chills, cough, sore throat, congestion, headache, muscle aches, and fatigue. There are different strains of the virus that cause similar symptoms. Because of this, the US Centers for Disease Control and Prevention (CDC) recommends a yearly influenza vaccine for everyone 6 months and older. The vaccines available protect against the most common current strains of the flu. To get the most protection, be sure to get the vaccine before the flu season starts, which can be as early as October.
Most people associate pneumococcal disease with the lung disease pneumonia, but it can also cause meningitis (inflammation of the meninges that protects the spinal cord and brain), and infections of the blood, middle ear and sinuses.
The CDC recommends that people aged 65 years and older get the pneumococcal vaccine. Most people need only a single dose. However, if you received the shot more than 5 years ago and were younger than 65 when you received it, you may need a second booster dose.
Tetanus (lockjaw) is caused by a bacterium that can enter the body through a scratch or wound. Symptoms of tetanus include jaw stiffness, neck stiffness, abdominal stiffness, difficulty swallowing, and muscle spasms. Tetanus is a serious disease that can result in death.
Diphtheria is also caused by a bacterium, and it can be spread from person to person. Signs of diphtheria include a severe sore throat and a fever. Diphtheria can lead to breathing problems, coma, and even death.
Most people have received a series of shots called DTaP when they were children. DTaP is a vaccine that protects against diphtheria, tetanus, and pertussis (whooping cough). A shot of another vaccine called Tdap, which also protects against these three infections, is given to adults if they did not receive the Tdap vaccine when they were older children. A booster dose of the tetanus and diphtheria vaccine (Td) should be given every 10 years, or after an exposure to tetanus in some cases.
Varicella (chickenpox) is a very contagious viral infection that can be spread through the air or by touching a chickenpox sore. Chickenpox is a relatively mild disease in children, but it can be serious—even life-threatening—in older adults. Symptoms of chickenpox include aching, tiredness, fever, and sore throat, followed by a widespread, itchy, blister-like rash.
People who have had chickenpox are protected from getting it again. However, for adults who never had chickenpox or have never been vaccinated, 2 doses of the varicella vaccine are advised, at least 4 weeks apart.
Older people are susceptible to getting shingles, as well as certain high-risk groups (like those with compromised immune systems). Severe complications include vision problems or blindness, pneumonia, brain inflammation, and hearing problems. The CDC now recommends that adults aged 60 and older get the shingles vaccine. Research is still being done to determine whether booster vaccines are needed.
While they were once common diseases, measles, mumps, and rubella (MMR) are now rare, thanks to widespread immunizations against them. Measles is a viral respiratory disease that may lead to a rash, diarrhea, ear infections, pneumonia, swelling of the brain, seizures, and death. Mumps is a viral disease that can cause parotitis (inflammation of the parotid glands in front of the ears), meningitis, inflammation of the testicles, ovaries, or pancreas, and permanent deafness. Rubella is a viral respiratory disease that can cause birth defects, including deafness, cataracts, heart defects, intellectual disability, and liver and spleen damage.
Everyone born in the US before 1957 is generally considered immune to measles and mumps. People born before 1957 who work in healthcare and do not show immunity should consider being vaccinated against MMR. If you are exposed to an outbreak of measles or mumps, are a student in college, or plan to travel internationally, you might need another MMR vaccine dose.
In addition to the vaccines listed above, people who experience unexpected exposures to a virus, are traveling abroad, are employed in certain occupations, or who have certain medical conditions may need additional vaccines. Some people should not receive certain vaccines, either due to allergies or due to a medical condition. Talk with your doctor to see if you should be considered for any other vaccines.
Medicare, which is the health insurance program that covers almost all Americans age 65 and older, pays 100% of the cost of influenza and pneumococcal vaccines. If you are not covered by Medicare, check with your state health department or local drug store to see if they offer free vaccines.
Centers for Disease Control and Prevention
National Institute on Aging
Immunizations in adults. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated February 11, 2016. Accessed July 18, 2016.
Influenza vaccines in adults. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated May 27, 2016. Accessed July 18, 2016.
Pneumococcal polysaccharide vaccine. Centers for Disease Control and Prevention website. Available at: http://www.cdc.gov/vaccines/hcp/vis/vis-statements/ppv.html. Updated April 24, 2015. Accessed July 18, 2016.
Recommended adult immunization schedules by vaccine and age group. Centers for Disease Control and Prevention, MMWR website. Available at: http://www.cdc.gov/vaccines/schedules/downloads/adult/adult-schedule-easy-read.pdf. Accessed July 18, 2016.
Shingles (herpes zoster). Centers for Disease Control and Prevention website. Available at: http://www.cdc.gov/shingles/index.html. Updated May 1, 2014. Accessed July 18, 2016.
Shots for safety. National Institute on Aging website. Available at: http://www.nia.nih.gov/health/publication/shots-safety. Updated May 26, 2016. Accessed July 18, 2016.
Tetanus (lockjaw) vaccination. Centers for Disease Control and Prevention website. Available at: http://www.cdc.gov/vaccines/vpd-vac/tetanus/default.htm. Updated February 3, 2016. Accessed July 18, 2016.
Last reviewed August 2014 by Michael Woods, MD Last Updated: 8/12/2014