- female
- 30 Years
- 01/04/2021
How effective is flu vaccine?
Answered by 1 Apollo Doctors
Every year, WHO studies the strains of influenza virus circulating globally and advise to produce the flu vaccine with those particular strains. Vaccine effectiveness may vary in relation to many factors globally but on a average, flu vaccination reduces the risk of influenza by 40 - 60 % among the overall population during seasons when most circulating flu viruses are well matched to the flu vaccine.
Answered 04/07/2025
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Effectiveness of the Inactivated Influenza Vaccine:
- The flu vaccine is generally effective in reducing the risk of flu infection and its complications, especially in healthy adults.
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Variability of Effectiveness:
- Effectiveness can vary each year depending on how well the vaccine matches circulating flu strains.
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Benefits Beyond Prevention:
- Even if the vaccine does not completely prevent the flu, it often reduces the severity and duration of illness.
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Safety and Recommendations:
- The vaccine is safe for a healthy 30-year-old female and is recommended annually.
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Additional Advice:
- Consult a healthcare provider for personalized advice and to get vaccinated annually for best protection.
Recommended next steps
Consult a Infectious Disease specialist
Answered 20/08/2025
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I'm looking over my blood CBC report and noticed that my RDW-CV is 15.2 and my MPV is 11.3. I'm not sure what these numbers mean. Plus, I've been running a fever for the last three days. Could these results be related to my fever? Should I be concerned about these levels?
Your CBC report shows a slightly elevated RDW-CV (15.2%) indicating a moderate variation in red blood cell size, which can be a sign of iron deficiency anemia, vitamin deficiency, or chronic inflammation; meanwhile, your MPV (11.3) is within the normal range; given your fever for the past three days, it's essential to consult your doctor to rule out underlying infections or conditions, such as a viral or bacterial infection, that may be causing your symptoms.
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Disclaimer: Answers on Apollo 247 are not intended to replace your doctor advice. Always seek help of a professional doctor in case of an medical emergency or ailment.