| 1. | Egg proteins can also be found in yellow fever vaccine and MMR vaccine.
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| 2. | The yellow fever vaccine offers a 95 percent protection rate.
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| 3. | There are now just three companies approved by WHO to manufacture yellow fever vaccine.
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| 4. | This is probably caused by inadequate T-cell response to live attenuated yellow fever vaccine.
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| 5. | However, smallpox and yellow fever vaccines increase the risk of infants developing vaccinia and encephalitis.
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| 6. | First yellow fever vaccine announced at an American Societies for Experimental Biology meeting by Wilbur Sawyer
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| 7. | Although the yellow fever vaccine is one of the most successful ever developed, epidemics continue to occur.
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| 8. | The yellow fever vaccine is the only one for which the World Health Organization still condones requiring a certificate.
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| 9. | _Yellow fever vaccine costs the poorest countries just 15 cents a dose, yet still kills 30, 000 a year.
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| 10. | Scientists are for the first time questioning the safety of the 60-year-old yellow fever vaccine after six suspicious deaths.
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