Any defensive measure taken against an attack using bacteria, viruses or toxins(noun)
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Use "biodefense" in a sentence
""The near-term biodefense goal of the United States should be to limit the consequences of a bioweapons attack," the panel said."
"Center for Arms Control and Non-Proliferation spent on so-called biodefense by the federal government, one can only conclude that lobbying activities by Big Pharma is an investment well-spent!"
"Across the country, 'biodefense' labs are sprouting up like weeds."