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covid, cheap preventatives 

Povidone Iodine Nasal Spray and Mouthwash During the Current COVID-19 Pandemic

Povidone-iodine (PVP-I) disinfectant has better anti-viral activity than other antiseptics … safe when administered to the nasal cavity and as a mouthwash.

The aim is to reduce the viral ‘load’ … where [droplets] containing the virus are expectorated … [and] to destroy virus … before it has the opportunity to infect the host.

papers.ssrn.com/sol3/papers.cf

(NB: DILUTE betadine, not pure)

covid, cheap preventatives 

evidently there is some precedent for using DILUTE iodine as a sinus rinse & gargle during respiratory outbreaks, and they were in fact trying this in Italy.

given how cheap and widely available Betadine & generics are, this could be useful if e.g. your housemate / partner gets sick and they want to avoid spreading it, you want to avoid getting it, etc.

obviously not something we'd likely do in regular times, but if you're high risk.....

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