Pneumococcal vaccine
There are two
vaccines available to protect children against pneumococcal disease, a serious
infection caused by a bacterium known as Streptococcus pneumoniae. Only one of
the vaccines, PCV13, is considered safe for children under 2 years of age. This
vaccine is important because infants and very young children are at higher risk
of contracting several dangerous infections, including pneumonia and bacterial
meningitis. Some older children may also need PCV13 treatment.
A second vaccine,
PPSV23, has been available for over 30 years and is recommended for children
two years of age and older. Protects against 23 types of pneumococcal bacteria.
Here is information
about these vaccines to help you make informed decisions about protecting your
children's health, as well as your own.
What is pneumococcal disease?
Pneumococcal disease
is an infection caused by the bacteria Streptococcus pneumoniae or
pneumococcus. People can become infected with the bacteria or carry them
through their throats without getting sick. These carriers can still spread it,
mostly as droplets from the nose or mouth when they breathe, cough or sneeze.
Depending on the
organ or body part that is infected, pneumococcal infection can lead to one of
several serious illnesses, including:
- Bacterial meningitis, an infection of the lining of the brain and spinal cord that can lead to confusion, coma and death, as well as other physical effects such as blindness or paralysis
- Pneumonia, a lung infection that causes cough, fever and difficulty breathing.
- Otitis media, a middle ear infection that can cause pain, swelling, insomnia, fever, and irritability.
- Bacteremia, a dangerous bloodstream infection
- Sinus infections
A major problem in
very young children is that the classic symptoms of meningitis and pneumonia
are often absent, making it difficult to recognize the disease.
Are two pneumococcal vaccines safe?
Both vaccines are
safe. As with any medication, there is always the possibility of a serious
problem, such as an allergic reaction. But with the pneumococcal vaccine (the
vaccine recommended for young children) and PPSV (the vaccine for adults and
older children), the risk of serious harm or death is extremely low.
In studies of almost 60,000 doses of
pneumococcal vaccine, neither moderate nor severe reactions were observed. Mild
side effects included:
- Redness, tenderness, or swelling where the shot is given in about one out of every four infants
- Fever higher than 38 C in about one out of every three infants
- Fever higher than 39 C in about one out of every 50 children
- Occasional incidence of fussiness, drowsiness, or loss of appetite
Approximately one in
two adults who receive a PPSV vaccine experiences redness or pain at the
injection site. Less than 1% have a more severe reaction such as fever or
muscle aches.
Who should be vaccinated against pneumococcus and when?
The PCV7 vaccine,
which covered seven strains of pneumococcal bacteria, has now been upgraded to
the PCV13 vaccine, which covers 13 strains. The pneumococcal vaccine series
started with PCV7 should be supplemented with PCV13. A single additional dose
of PCV13 is recommended for all children aged 14–59 months who have received an
age-appropriate series of PCV7 vaccines, and for all children aged 60–71 months
with certain comorbidities who have received a series of PCV7 vaccines adapted
to their age.
Pneumococcal vaccine is recommended for the following
children:
- All infants under 24 months of age should receive four doses of the vaccine, the first at 2 months of age. The next two injections should be given at 4 months and 6 months, and the last booster injection should be given at 12-15 months. Children who are not vaccinated during this time should still be vaccinated. The number of doses and the time between doses will depend on the age of the child.
- Healthy children aged 2 to 4 who have not received all four doses should receive one dose of the vaccine.
The PPSV vaccine is
recommended for all adults aged 19 to 64 who smoke or have asthma, and for
anyone aged 2 to 64 who are taking any medication or treatment that affects the
body's immune system. Examples include long-term use of steroids, chemotherapy,
or radiation therapy.
In addition, anyone
between the ages of 2 and 64 who has any of the following (or similar) health
conditions that affect the immune system should be vaccinated with PPSV:
- Hodgkin's disease
- lymphoma or leukemia
- kidney failure
- multiple myeloma
- nephrotic syndrome
- HIV infection or AIDS
- damaged spleen or no spleen
- organ transplant
- heart disease
- lung disease
- sickle cell disease
- diabetes
- alcoholism
- cirrhosis
- leaks of cerebrospinal fluid
- cochlear implant
It is currently
recommended that adults aged 65 years and older receive both the PCV13 vaccine
and the PPSV23 vaccine. The timing and sequence of vaccinations will vary
depending on which vaccines you have previously received.
High-risk people and
those who were vaccinated before the age of 65 may need a booster five years
after the first dose.
How important is it for an adult over 65 to get vaccinated?
It is very important.
If you are over 65 or have an underlying medical condition that puts you at
risk and you have not been vaccinated against pneumococcal disease, talk to
your doctor and ask him to prescribe one a. Bacteremia and meningitis caused by
invasive pneumococcal disease are responsible for the highest mortality rates
among the elderly and patients with comorbidities.
The pneumococcal vaccine for you and your children can save lives.