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Harvard Health Blog
For protection against pneumonia, more than one vaccine can help

- By Julie Corliss, Executive Editor, Harvard Heart Letter
If you haven’t gotten your flu shot yet this year, don’t wait much longer—influenza (flu) season is just around the corner. Yearly flu shots are recommended for everyone ages 6 months and older. If you need some added incentive, consider this: The influenza virus can cause not only the typical flu symptoms (like fever, muscle aches, and headache), but it can cause viral pneumonia in some people and nudge others to develop bacterial pneumonia. And despite many advances in understanding the causes and treatment of this serious lung infection, it’s still a major cause of death in the United States, according to an article in today’s New England Journal of Medicine.
Each year, about a million people in the U. S. are hospitalized with pneumonia and 50,000 die from it.
“Some people think that pneumonia is caused only by bacteria. But in fact, you can get pneumonia from a whole array of different viruses, bacteria, and even fungi,” says study co-author Dr. Anna Thorner, an infectious disease specialist and assistant clinical professor of medicine at Harvard Medical School.
Is it flu or pneumonia?
The symptoms of pneumonia are similar to the flu. But with pneumonia, your cough is usually worse (sometimes producing yellow, green, or even bloody mucus) and you may have trouble breathing. “For example, you may get winded going up just a few stairs, when you normally walk up two flights without a problem,” says Dr. Thorner.
However, the symptoms can be subtler in the very young and the elderly—the two groups most vulnerable to pneumonia. Babies and young children with the infection may be restless, fussy, and breathe too fast. Older people with pneumonia sometimes don’t have a fever or a cough, but they may be confused or complain of pain when taking a deep breath.
Two types of pneumonia vaccine
For these groups, as well as others who face a high risk of pneumonia, two different vaccines can help prevent pneumonia caused by the bacterium known as Streptococcus pneumoniae, a serious cause of the illness. One vaccine, known as PPSV23 or Pneumovax, is derived from 23 different types of pneumococcal bacteria and has been used for decades. It’s recommended for all adults who are age 65 and older, as well as those under 65 who face an added risk for pneumonia, including people who smoke cigarettes or have chronic illnesses, including:
- heart disease
- lung disease
- liver disease
- diabetes
- alcoholism
However, PPSV23 doesn’t cause a strong immune response in children younger than 2 years of age and may not cause a strong immune response in older adults and people with impaired immune systems.
A newer vaccine, PCV13, features parts of 13 different pneumococcal bacteria linked to a protein that helps the vaccine work better. Infants in the United States routinely get this vaccine. Since the first version of this vaccine, PCV7, was introduced in 2000, rates of pneumonia and other infections caused by pneumococcus dropped substantially in the U.S.
CDC’s recommendations
Last August, the Centers for Disease Control and Prevention recommended that people age 65 and older now receive both pneumococcal vaccines to give them extra protection against pneumonia. The timing varies depending on your vaccination history:
- If you’re 65 or older and never had a pneumonia vaccine, get PCV13 first, followed by PPSV23, six to 12 months later.
- If you’re already had one or more PPSV23 shots, wait at least one year after the last shot before getting PCV13 .
People with weakened immune systems and people whose spleen doesn’t work well or is absent (and certain others) should also get both vaccines. The CDC has additional information about pneumonia vaccines, including recommendations for children and adults younger than 65 who are more prone to pneumonia due to other health problems.
Disclaimer:
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
Comments
Thanks Julie, for the informative blog post. It is helping a lot of people. I have posted the link to this post on Zipper club Facebook group where people have found it to be useful. At EmpoweredMind we see a lot of cardiac patients that are grappling with the dilemma of having the flu and pneumonia shots, so we refer them to this post as well as your 2013 blog post (Flu shot linked to lower heart attack, stroke risk POSTED OCTOBER 23, 2013), to help them make up their minds. Thanks again.
Karen, I would think it depends upon your insurance company. In my experience, most insurance companies are slow to respond to covering new practices like this. I recommend calling your insurance company to ask.
How can I print your articles? I would love to print these off for my friends and family, but cannot afford to buy the for sale informational books.
Highlight what you want printed. Hit ctrl C and open a word document. Then hit ctrl V and the material should be there so that you can print it.
do insurance companies pay for the second pneumonia vaccine?
Commenting has been closed for this post.
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