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Div. of Media Relations
1600 Clifton Road
MS D-14
Atlanta, GA 30333
(404) 639-3286
Fax (404) 639-7394 |
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October 8, 1999
Contact: CDC, Division of Media Relations
(404) 639-3286
Flu Season 1999-2000
Persons with Chronic Conditions
- Flu vaccine is specifically recommended for people who are at high
risk for developing serious complications as a result of influenza
infection. These high-risk groups include all people aged 65 years or
older and people of any age with chronic diseases of the heart, lung, or
kidneys, diabetes, immunosuppression, or severe forms of anemia.
- Other groups for whom vaccine is specifically recommended are
residents of nursing homes and other chronic-care facilities housing
patients of any age with chronic medical conditions, and children and
teenagers who are receiving long-term aspirin therapy and who may,
therefore, be at risk for developing Reye syndrome after an influenza
virus infection.
- There are several factors that contribute to low flu vaccination rates
among some high-risk adult populations, such as people with chronic
diseases. These factors include
- Missed opportunities by health-care providers to give the shot to
at-risk patients;
- Lack of comprehensive vaccine delivery systems in the public and
private sector;
- Limited reimbursement and coverage by insurers;
- Lack of organized vaccination programs where adults congregate such
as work sites, and;
- Unnecessary fears about adverse reactions.
- Although annual flu shots have long been recommended for people in the
high-risk groups, many still do not receive the vaccine -- particularly
those 65 years of age and older. Some people are not vaccinated because of
misconceptions about influenza and the vaccine. Vaccines produced from the
1940s to the mid-1960s were not as highly purified as modern influenza
vaccines, and it was these impurities that caused most of the side
effects. Since the side effects associated with these early vaccines --
fever, headache, muscle aches, and fatigue -- were similar to some of the
symptoms of flu, people believed that the vaccine had caused them to get
the infection. Influenza vaccine is made with "killed" viruses and
cannot cause the flu.
- Mild arm soreness from the shot is the most common side effect. The
most serious side effect is an allergic reaction in people who have a
severe allergy to eggs, since the viruses used in the vaccine are grown in
hens' eggs. For this reason, people who have an allergy to eggs should not
get a flu shot.
- Although vaccination is the primary method for control of influenza,
antiviral agents have a role in the prevention and treatment of infection.
Amantadine and rimantadine are chemically related drugs that interfere
with the replication cycle of influenza type A viruses. They are approved
for both the prevention and treatment of influenza A, but are not
effective against influenza type B or other viral respiratory pathogens.
Approved by the Food and Drug Administration in July 1999, zanamivir,
another antiviral drug, is approved for the treatment, but not
prevention, of influenza infections caused by both type A and type B
viruses.
- The optimal time for persons at high risk for influenza-related
complications to get a flu shot is usually the period from October to
mid-November. It takes about 1 to 2 weeks after vaccination for antibody
against influenza to develop and provide protection. In addition, CDC is
recommending these adults get a pneumococcal vaccination (if they haven't
already had one). For most people, one pneumococcal shot is enough
protection for a lifetime. However, people under 65 years of age with a
chronic illness or compromised immune system and who have previously
received a pneumococcal shot, should get another one 5-10 years after the
first one.>
Flu Season 1999-2000: See also...
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