International science:
‘Restaurants & pubs are highest risk for indoor super-spread, as virus builds up quickly in air & nobody wears masks’

Ireland:
‘Restaurants & pubs to be ‘key battleground’ in lockdown exit talks’

Is #Covid19 in these talks?
irishtimes.com/news/politics/…
Cork: ‘57 confirmed cases of Covid-19 were linked to a cáfe-restaurant where people from different households socialised’ #superspread
echolive.ie/corknews/Covid…
South Korea: ‘one infected person attended five nightclubs, caused 50+ new infections’

Hong Kong: ‘106 cases linked back to exposures from staff & musicians at bars.. 73 of the people in this cluster caught virus at the bars, 39 were customers vox.com/21296067/coron…
USA: ‘researchers identified indoor public places as most responsible for the spread’ (restaurants, gyms, cafes, hotels, & houses of worship)
‘10% of the places people visited accounted for 85% of the predicted infections’
statnews.com/2020/11/10/res…
‘Public health experts, including Dr. Fauci, say evidence is abundantly clear: When bars open, infections tend to follow’

‘If you were to create a petri dish and say, how can we spread this most? It would be cruise ships, jails, factories, & bars’ npr.org/sections/healt…
‘bars & restaurants account for an important number of contagions. What’s more, they are the most explosive: each outbreak in a nightclub infects an average of 27 people, compared to only 6 in family gatherings’ english.elpais.com/society/2020-1…
Germany: ‘woman could face up to 10 years in prison after allegedly spreading coronavirus during a bar crawl. The 26-year-old woman faces accusations that she infected 59 people after visiting multiple bars & pubs’ independent.co.uk/news/world/ame…
USA: ‘144 patrons who visited [this bar] from June 12 to June 20 tested positive for COVID-19... Another 44 people caught the virus from those patrons later on’ bridgemi.com/michigan-gover…
UK: ‘Health authorities across the UK believe the normalisation of eating out & drinking in pubs has contributed to the UK’s second wave of Covid-19’

‘eating out was the most commonly reported activity in the 2-7 days prior to symptom onset’ irishtimes.com/business/retai…
Australia: ‘man who doesn't know he's infected with coronavirus walks into a bar on July 3 with "about six" workmates’.. & 13 days later this had lead to 34 Covid-19 infections nzherald.co.nz/world/covid-19…
From August:
‘Revealed: the international evidence NPHET relied on to keep pubs closed’ @Jennifer_Bray irishtimes.com/news/ireland/i…
in longer term pubs /restaurants can engineer safe indoor air (ventilation, filtration, CO2 monitors) but in current high community transmission & seasonal conditions it’s not advisable/achievable; short-term we need very well-managed venues for outdoors socialising in masks IMO
outdoors is 1/20th risk of indoors.. & every age group needs spacious, very well ventilated, very well managed social venues out of the rain..so let’s get inventive in outdoor markets & dining, high-ceilinged sport halls & churches, open-sided car parks, retail sheds, (& jumpers) Image
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More from @Orla_Hegarty

23 Nov
Science denial from @VFIpubs on @morningireland
.. 2 metre distance is not safe, #Covid19 builds up quickly & spreads like cigarette smoke indoors, pubs & restaurants are the highest risk of large super-spread events, & it’s proven internationally #pubs
(does this really need saying)
Covid doesn’t know if it’s a gastro pub or wet pub, or after closing time, or what the Level is, or what your dinner cost, or if you ate it, or if you’re 6km away, or only went in for 10 minutes

You catch it by inhaling virus in shared indoor air
HIQA advice to NPHET:
🦠 large numbers of clusters consistently observed [in] bars, nightclubs, restaurants, gyms
🦠 & many associated with superspreading events & large numbers of cases
🦠indoors, crowds, no masks, talking/singing, poor ventilation
hiqa.ie/reports-and-pu…
Read 5 tweets
12 Nov
[Thread] So why does ventilation matter so much in #Covid19 suppression?

Covid-19 is a disease caught by inhaling virus particles in the air 1/
the closer you are to an infected person & the longer you spend, the higher the risk of inhaling infected air

Shouting, singing & exercising make it worse

[there’s very low risk of catching it from surfaces, early research was over-stated & hasn’t been repeated in labs] 2/
outdoors the virus is diluted & dispersed in the air, so the risks are very low (except up close conversation)

If we all lived outdoors there would be no pandemic, as the virus couldn’t reproduce enough, & would die out 3/
Read 10 tweets
3 Nov
[Thread] Nursing Homes

‘103 #Covid19 deaths in October, 39 of them in nursing homes’

.. almost 40% of all recent deaths from #Covid19, & almost 1/2 of all deaths in Ireland since start of pandemic, are in #nursinghomes 1/ irishtimes.com/news/health/co…
about 30,000 people live in nursing homes... so just 0.5% of the population have suffered 50% of #Covid19 fatalities

HSE attribute this to ‘high rates of community transmission’, but... 2/ irishtimes.com/news/ireland/i…
..elderly people & people with health conditions who live ~outside~ nursing homes ‘in the community’ do not have these infection rates

... & Dublin #nursinghomes have not allowed visitors for more than 6 weeks now 3/
Read 10 tweets
2 Nov
WHO warns of high risk of #Covid19 spread ‘especially indoors in poor ventilation’ & says ‘open a window’

.. so why no risk prevention advice in Ireland’s public health plan.. nine months after this was warned about in many other countries?
Read 4 tweets
2 Nov
HSE mask policy is ~not~ in accordance with current international scientific evidence, & is unsafe
🦠covid is airborne past 2m
🦠15 mins is not a safe time #TodayCB @TodaywithClaire @HSELive @hpscireland @HIQA
@linseymarr explains distance risks
Read 4 tweets
1 Nov
[Thread] Covid19 & weather

Research from China points to Ireland being very high-risk for virus spread in winter months. This study linked Spring hot-spot outbreaks (yellow zone) at 5-11°C & low humidity 1/ #Covid19 jamanetwork.com/journals/jaman… Image
another study: ‘meteorological factors play independent role in #COVID19 transmission.. Local weather (low temp, mild diurnal temp range & low humidity) likely favor transmission.. each 1°C increase in [temp] related to decline of daily confirmed cases’ 2/ sciencedirect.com/science/articl…
‘Air temperature & humidity indicated to significantly influence transmission of COVID-19’.. the weather two weeks ago was correlated with confirmed new case counts.. epidemiological data were correlated with weather data 14 days ago’ 3/ medrxiv.org/content/10.110…
Read 7 tweets

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