how long does the hep a and typhoid vaccine last?
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One dose is recommended at least 2 weeks before travel. Repeated doses are recommended every 2 years for people who remain at risk.
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Typhoid Fever Vaccination Remember that you will need to complete your vaccination at least 1 week before you travel so that the vaccine has time to take effect.
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Typhoid vaccine is recommended for all travelers to India, even if visiting only urban areas. This single-shot vaccine offers ∼70% protection, lasts for 2–3 y. Tablets also are available for administration to an empty stomach in 3 doses is on alternate days.
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You must keep typhoid vaccine capsules cold. Do not allow the capsules to freeze. This vaccine should be effective for up to 5 years. You may need to take another series of 4 capsules every 5 years if you continue to be exposed to typhoid.
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It is not known how long a vaccinated person is protected against varicella. But, live vaccines in general provide long-lasting immunity. Several studies have shown that people vaccinated against varicella had antibodies for at least 10 to 20 years after vaccination.
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The other type is a combination vaccine that protects people against both hepatitis A and hepatitis B. The combination vaccine can be given to anyone 18 years of age and older and is given as three shots over 6 months. All three shots are needed for long-term protection for both hepatitis A and hepatitis B.
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How long do acute hepatitis B symptoms last? If symptoms occur, they usually last several weeks, but some people can be ill for as long as 6 months.
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Boosters: How long does the Polio, Tetanus, and Diphtheria vaccine last? The vaccine protects you for 10 years. You will need a booster to remain protected after 10 years.
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For long-term immunity, the hepatitis A vaccine series should be completed with a second dose at least 6 months after the first dose. However, the second dose is not necessary for PEP. A second dose should not be administered sooner than 6 calendar months after the first dose, regardless of HAV exposure risk.
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Studies indicate that immunologic memory remains intact for at least 30 years among healthy people who initiated hepatitis B vaccination at >6 months of age (16). The vaccine confers long-term protection against clinical illness and chronic hepatitis B virus infection.
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Avoid eating anything for at least 1 hour after you take a capsule. Do not drink alcohol within 2 hours after you take a typhoid vaccine capsule. Alcohol can damage the capsule and could make the vaccine ineffective.
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The first type, the single-dose hepatitis A vaccine, is given as two shots, 6 months apart, and both shots are needed for long-term protection against hepatitis A. The other type is a combination vaccine that protects people against both hepatitis A and hepatitis B.
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A booster vaccine is needed every 5 years for people who remain at risk. Important: live typhoid vaccine capsules must be stored in a refrigerator (not frozen).
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The hepatitis A vaccine is very effective and has been a routine childhood vaccine since 1996. The vaccine is recommended for international travelers 6 months of age or older going to countries where hepatitis A infection is common. Check if hepatitis A vaccine is recommended for your destination.
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Hepatitis A infection can be prevented by getting vaccine or immune globulin soon after coming into contact with the virus. Persons who have recently been exposed to HAV should get immune globulin or vaccine as soon as possible, but not more than 2 weeks after the last exposure.
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Common Side Effects Vaccines, like any medicine, can have side effects. Many people who get hepatitis B vaccine have no side effects at all. The most common side effects are usually mild and last 1-2 days.
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You must keep typhoid vaccine capsules cold. When you receive the capsules, place them in a refrigerator as soon as possible. Keep each capsule in the foil blister pack in the refrigerator until you are ready to take it. Do not allow the capsules to freeze. This vaccine should be effective for up to 5 years.