In New Zealand, inhalation chambers were installed in public buildings in 1918 and people were asked to inhale a gas (zinc sulphate) that would allegedly protect them from the flu

Do you know what it is? In New Zealand, inhalation chambers were installed in public buildings in 1918 and people were asked to inhale a gas (zinc sulphate) that would protect them from the flu. Conclusion: people got very sick and many died. To use public trains, you needed… pic.twitter.com/kc894eXR2O
— Peter Choden (@betterworld_24) April 6, 2024

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