BIOLOGY
BIOLOGY
12th Edition
ISBN: 9781264839698
Author: Raven
Publisher: MCG CUSTOM
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Chapter 26, Problem 2S
Summary Introduction

To find: The greater threat to human health among antigenic drift in influenza viruses or antigenic shift in influenza virus.

Introduction: The diseases caused by viral infections are categorized into acute or persistent infections. This classification is based on how the viruses are produced rapidly and frequently and on the appearance of the associated symptoms.

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