Tag COVID-19

Super fastidious but mask averse

Shaun Walker, the Guardian‘s man in Moscow (again), tweeted yesterday: Quite odd how Muscovites, who in normal times are super fastidious about hygiene (washing hands regularly, avoiding dirt etc) are mask averse. 600 Covid cases a day in Moscow and…

Last summer in Wuhan

There’s new evidence that an outbreak of an infectious disease closely and suspiciously resembling Covid-19 occurred in Wuhan months before the officially recognized beginning of the coronavirus epidemic. Satellite images of hospital parking lots in Wuhan as well as internet…

Back to work, you cowardly peons

Earlier this week, Mikhail Tamm, a Russian physicist and statistician, explained (in Russian) why the number of deaths in Moscow in April is a far better estimate of coronavirus mortality than the official rate: Ten days ago [the number of…

Russia’s Covid fatality rate

From today’s issue of The Telegraph: Russia boasts one of the world’s lowest Covid-19 mortality rates, but new figures released by Moscow authorities suggest that hundreds of coronavirus deaths could have gone unreported. Scientists and doctors say the low death…

Indecisive authoritarians

Covid-19 data from Russia is a mixed bag: the number of new cases identified per day seems to have plateaued – well, almost – but the death count remains so suspiciously low that it’s impossible not to doubt the top…

Covid and EVT

My impression, admittedly superficial, from the ongoing debate on the severity of the Covid-19 pandemic is that statisticians with a professional interest in the distribution of extrema (“extreme value distributions”) understand the downside risks well and, as a result, support…

Downgrade the plague to a nuisance

When in late March Vladimir Putin visited a Moscow hospital wearing a hazmat suit, he got ridiculed by Russian viewers for more than one reason. First, the full-body protective gear was obviously overkill. Unless his immune system had been damaged…

“A very bad recipe”

Prof. John Ioannidis of Stanford says the early estimates of the coronavirus’s deadlines were greatly exaggerated. It would be good news if demonstrably true, which it neither is nor can be, as the professor admits: “I love models… I do…

A simple asymmetry

Suppose the number of people infected grows exponentially with time as . Consider two cases: in the first, the true rate is less than r by δ percent; in the second, it is greater than r by δ percent. The…