Foot and Mouth Disease Vaccine: A Savior for Livestock Farming
Evolution of FMD Vaccines   The earliest FMD vaccines developed in the 1950s were based on chemically inactivated whole virus grown in live animal tissues. However, these "conventional" vaccines required multiple doses, offered only short-term immunity and carried the risk of transmitting other livestock diseases.   Beginning in the 1980s, scientists started developing "marker"...
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