Dangerous Goods Class 6 - Toxic & Infectious Substances
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Toxic & Infectious substances are those substances liable to cause serious illness or death when ingested, inhaled or otherwise contacted.
Class 6.1 - Toxic - Ammonia gas is an example of a relatively common Toxic compound
Class 6.2 - Infectious - germs and parasites! The subject of this video
"The A Z of Epidemiology germs from Anthrax to Zoonoses A disturbing bedtime book for kids" - via Tom Scott - https://www.youtube.com/watch?v=P2C4U624Y6o