![]() While influenza viruses are changing by antigenic drift all the time, antigenic shift happens only occasionally. Never rest, and never relent until every threat is destroyed.Īntigenic shift: an abrupt, major change in the influenza A virus, resulting in a virus that is so different from the same subtype in humans that most people do not have immunity to the new virus. The silent, shining tip of the spear-those who never sleep, Want to get an e-mail when my next book is released Recording, or by any information storage and retrieval system without prior written consent by the author. ![]() ![]() Or transmitted in any form by any means, electronic or mechanical, including photocopying, Is purely coincidental and not intentional. Any similarity to living and/or deceased people The people and events in this book have been writtenįor entertainment purposes only.
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