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End of The Beginning III

February 5, 2021 by Sankar Das Sarma Several news articles have recently appeared suggesting that perhaps the Covid-19 crisis is finally in retreat. But remember that you first heard this news in this blog months ago! For example, The Atlantic has an article dated February 4 entitled “The Pandemic is in tenuous retreat” and onContinue reading “End of The Beginning III”

End of the Beginning II?

January 27, 2021 by Sankar Das Sarma This is a continuation of my last blog on the end of the beginning, and is therefore entitled ‘End of the Beginning II’. A lot has happened in the Covid-19 pandemic since my last blog, much of it already in the US news headlines: the introduction of twoContinue reading “End of the Beginning II?”

Postscript and Post-Covid

September 29, 2020 by Sankar Das Sarma This blog will primarily examine the absurd buzzword “post-covid”, which is often mentioned in a random manner in covid-19 discussions. I have no idea what it means or what people want to signify when they use this term. Post-covid is a true “unknown” unknown in the unforgettable jargon made famous byContinue reading “Postscript and Post-Covid”

Covid-19: Herd Immunity

September 22, 2020 by Sankar Das Sarma This current blog, the second one in this sequence on covid-related buzzwords, deals with the rampantly and uncritically used term “immunity, ” often made more authoritative by the combination of “herd immunity”. There are experts and pundits who would pontificate on TV that herd immunity is the onlyContinue reading “Covid-19: Herd Immunity”

Covid-19: An Update

September 15, 2020 by Sankar Das Sarma Among the most misunderstood terms being extensively used these days in the context of covid-19 pandemic reports are ‘vaccine’, ‘immunity’, and ‘post-covid.’ I order them by increasing degrees of obtuseness, with ‘post-covid’ being the most blatantly meaningless. I am not dignifying truly absurd statements, such as ‘we haveContinue reading “Covid-19: An Update”

A Physicist’s Perspective on Covid-19: Fatalities, Flattening, and Future

June 22, 2020 by Sankar Das Sarma This 6th covid-19 blog deals with the closely related issues of ‘flattening the curve’ and covid-19 fatalities and speculates on the uncertain future course of the pandemic. In contrast to my first 5 blogs on covid-19, this current blog deals less with facts and data, focusing more onContinue reading “A Physicist’s Perspective on Covid-19: Fatalities, Flattening, and Future”

Covid-19: The Population Anomaly

June 10, 2020 by Sankar Das Sarma In my last blog, Covid-19 II, I discussed the ‘rate anomaly’, associated with the large discrepancy between the day-to-day changes in covid-19 infection and fatality rates (with the fatality rate being substantially lower, by factors of 3-5, than the infection rate) over the last 8 weeks and itsContinue reading “Covid-19: The Population Anomaly”


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