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Preventing infection 2

Across
Bacterium protected by a hard shell
Process of destroying all microbes
Giving a vaccine to produce immunity against an infectious disease
Surgical asepsis
A preparation containing dead or weakened microbes
Any substance that transmits microbes
Down
Practices used to remove all microbes
Work area free of all pathogens and non pathogens
Absence of all microbes
Environment in which a microbe lives and grows
Microbe that is harmful and can cause an infection
A carrier (animal, insect) that transmits disease