Outdoors is safest: aerosols disperse into a near‑infinite volume.
Indoors, viral quanta build up as people exhale into limited airspace.
Risk rises with emission rate, poor mixing, low ventilation and time.
Dilution lowers dose — and dose drives infection.
See this info:
https://www.gov.uk/guidance/ventilation-to-reduce-the-spread-of-respiratory-infections-including-covid-19
Dr Joe Pajak
npub1t6…syrpp
2026-06-12 09:26:57 UTC
in reply to nevent1q…rtsn
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npub1t632xa7nm2477wfqpa8hz9rd7txaeku7nxfyn96ylaq6f5mk9paqksyrppSeen on
wss://relay.ditto.pubPublished at
2026-06-12 09:26:57 UTCEvent JSON
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