@WHO: ⚠️ Oxygen should be provided under the supervision of trained health worker. Medical oxygen, either in liquid or gas form, is an oxidizing agent that can result in a 🔥 or 💥 if not handled properly. For WHO advice on how to use medical oxygen safely, see https://t.co/r09i9k0zGl https://t.co/jU5LV8s6Yo

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