It's Back: Bird Flu Returns, and This Time It's Mutated - - TIME Healthland - 0 views
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new H5N1 variant spreading in poultry in both China and Vietnam; the new strain is resistant to current vaccines
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many countries have adopted vaccination programs to inoculate domestic fowl to prevent the spread of the virus. But six countries have continued to see H5N1 among their poultry population each year: Bangladesh, China, Egypt, India, Indonesia and Vietnam.
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new H5N1 strain, known as H5N1 2.3.2.1
