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