📌1/Study on SARS-COV-2 patients shows that 85% of total *viral load they emitted was on respiratory aerosols 5µm or smaller.

Small aerosols defy gravity, float on air for hours & accumulate indoors, necessitating room ventilation & masks.

*Viral RNA used as proxy for virus🧵


Est-ce «used as proxy» qui a attiré ton attention?

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