biodefence

/ˌbaɪoʊdɪˈfɛns/
noun
  1. Measures taken to protect people, animals, or the environment from harmful biological agents, such as diseases, toxins, or bioweapons.
    • The government increased funding for biodefence after the outbreak.
    • Scientists in the biodefence lab work on vaccines for dangerous viruses.
    • Biodefence strategies include early detection and rapid response to biological threats.
  2. The natural immune system of a living organism that defends against pathogens.
    • Honeybees use a form of biodefence by sealing the hive with propolis.
    • Plants have their own biodefence mechanisms to fight off infections.
    • The study focused on how the human body's biodefence reacts to new bacteria.
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