Vincent Rajkumar, Discover and Read the Best of Twitter Threads by @VincentRK

Vincent Rajkumar

VincentRK

When I was in training, I did a small study with 6 breast cancer specialists. I presented a patient with newly diagnosed breast cancer to each (in private), & asked

Why the Pfizer vaccine news is great: 1) The fact that it worked. After all this was new unproven technology. Could have fallen flat. 2) The huge magnitude of benefit.

As I predicted a month ago the number of new COVID cases has decreased in the US. From a high of 70,000 per day to 35,000 per day now. It

India must be being protected by cross reactive immunity from prior corona viral infections. Let us examine the data:1)>2.7 million diagnosed with COVID. 2) Seroprevalence in hotspots: Mumbai slums 57%Pune

There are at least 4 possible reasons why some people with COVID have little or no symptoms.1) A rapid immune response that conquers the virus2) Pre-existing cross reactive immunity3) Genetic

How many of the 164,000 COVID deaths in the US were preventable, if we had a better response, leadership, & had done things sooner rather than playing defense? @ASlavitt I

Immunity Update: We have more data on why people exposed to COVID dont seem to get COVID. @ASlavitt 1. Immunity from unrecognized prior infection:Up to 80% of COVID is asymptomatic.

COVID Vaccines1) A vaccine doesn’t need to prevent infection altogether. It just needs to prevent severe disease and/or deaths. 2) Antibody levels may not correlate with efficacy3) T cell responses

I’m convinced that seroprevalence studies greatly underestimate the true level of immunity of a given population to COVID. Take Sweden: point is not whether they did the right thing. I

A collection of threads on susceptibility and possibility of prior cross reactive immunity to COVID for those interested.1) I wondered in March, whether there is innate, cross reactive immunity to

Many new studies suggest that one of the fundamental assumptions about COVID that 𝙚𝙫𝙚𝙧𝙮𝙤𝙣𝙚 is susceptible, may be wrong. CAUTION: However, this doesn’t mean that we relax any precautions, coz

Thread on how COVID plays out in hotspots. Look at Italy, UK, Belgium, USA. The USA looks very different.However, when we examine the US as composed of many different “countries”,

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