Note: This thread is related to #Coronavirus #COVID19

Follow the World Health Organization's instructions to reduce your risk of infection:

1/ Frequently clean hands by using alcohol-based hand rub or soap and water.

2/ When coughing and sneezing cover mouth and nose with flexed elbow or tissue - throw issue away immediately and wash hands.

3/ Avoid close contact with anyone that has fever and cough.

John Burn-Murdoch+ Your Authors @jburnmurdoch Stories, stats & scatterplots for @FinancialTimes | Daily updates of the coronavirus trajectory tracker | [email protected] | #dataviz May. 17, 2020 1 min read + Your Authors

Most useful thread I’ve read on the dynamics of Covid transmission. By an expert, and packed full of links to evidence.

Indoor spaces and or prolonged face-to-face contact account for large majority of Covid transmission. Walking past someone in street/park much lower risk.

Means any resurgence in use of public transport is especially risky, which has big implications for going back to work.

Similarly, return to offices, restaurants, gyms etc will require strict social distancing and still be relatively risky even then.

Also helps explain seroprevalence studies showing higher % have had Covid in urban areas than elsewhere. Much more time in crowded spaces.

This is why the results showing 20% in NYC have had Covid vs national rates of 5% in Spain & France are plausible

Doubt this changes day-to-day calculus for most people, since social distancing, masks etc can still help, but it shows different contexts/environments have very different risk profiles.

Some parts of life can return to normal with minimal risk involved. Others very much cannot.

While I’m at it, 2 fab podcast episodes addressing Covid transmission, rich in experts & evidence:

1) @BBCMoreOrLess
on the science behind 2 metre (or is that 1 metre?) distancing guideline, and whether indoor/outdoor & duration matter more than distance  https://www.bbc.co.uk/sounds/play/p08czkk7 

2) @ScienceVs takes a deep-dive into the science on masks, speaking to the authors of some of the most-quoted research on effectiveness of homemade cloth masks. As ever, it’s not as simple as you might think...  https://gimletmedia.com/shows/science-vs/xjheev2/coronavirus-the-mask-wars 


You can follow @jburnmurdoch.



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