LD

Lethal Dose. (Latin: letalis = lethal).

Describes acute toxicity. Dose of an active ingredient or ionising radiation that causes the test organisms' death within a certain period of time. The lethal dose of medicines is normally calculated and expressed as LD₁₀₀ or LD₅₀.

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Knowledge Database

The A-to-Z database provides information on each pathogen, the most common infections that it triggers, its main transmission paths and recommendations on disinfection. In the glossary, you will find explanations of infection control terms. Search now!

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