These cases studies of virus spread in Ireland have been reported on and commented by @ZaraKing @newschambers @Orla_Hegarty @DeeGilhawley among others. Good to see this type of analysis but what about aerosols? - the elephant in the room!...short thread.
irishtimes.com/news/health/ho…
Spread in houses - probably caused by close-range transmission. NPHET need to emphasise that distancing AND ventilation is essential, even in small indoor gatherings of up to 6 people. Open doors and windows regularly to clear the air.
Spread in bars/restaurants - distancing was observed, so it has to be longer range (>2 m) transmission by aerosols. Was the restaurant poorly ventilated? Four workers infected, even though close-contact time minimized. Key question - did workers wear masks or face shields?
15 out of 26 students in a class became infected. They were wearing masks and observed distancing. Presumably hours spent in the class, yet the officials claim that the virus was spread during break time. If break time was outdoors, that is very hard to believe!
More detailed analysis of the student class is urgently needed as it could really help us to stop potential spreading events in school classrooms. What was the ventilation like in the room? How long were the students together in class? Seating map? Did all wear masks properly?...
If Ireland is to successfully "Live with COVID" then NPHET @hpscireland @roinnslainte @HSELive @President_MU @ronan_glynn urgently need to accept that aerosol transmission is driving the spread. For the uninitiated here is an excellent article on this.
time.com/5883081/covid-…
For more details and FAQ on aerosols/COVID-19, check out this link: docs.google.com/document/d/1fB…
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