Today the @FDA’s vaccine advisory committee is meeting again:this time to consider @moderna_tx’s #vaccine. By the end of the day, the US could be on their way to authorizing a 2nd vaccine. It can’t come soon enough. #Covid19 kills more than 2 ppl, on avg, in the US every minute.
@FDA’s Dr. Doran Fink says they are working with CDC and Alaskan authorities to investigate the cases of 2 adverse reactions to @pfizer's vaccine administered to health care workers.
cnn.com/2020/12/16/hea…
“We don't have enough information to make definitive recommendations one way or another...and will consider whether additional recommendations need to be made.” said @FDA’s Fink. Remember these + the 2 UK reactions are just 4 events out of 10s of thousands of vaccines given.
@moderna-tx’s David Martin noted that they looked for any allergic reactions in their trial of about 30,000 people. The only found two cases – neither of them thought to be related to the vaccine.
What does it feel like to take @moderna-tx’s #vaccine? @YasirBatalvi shared with me what it was like to be in the trial. Yes, he was fatigued and had chills – but he says it was well worth it. Vaccines will help, but remember we still have to #WearAMask
cnn.com/videos/health/…
@moderna_tx 's vaccine appears very effective in preventing severe disease. See this graph: the blue line - the rate of cases of #Covid19 in people on placebo, the red line: those on vaccine. Both @FDA and Moderna say 94.5% efficacy is reached at least 14 days after the 2nd dose.
@moderna_tx sent out these letters to trial participants. If the vaccine is authorized, they're offering those on placebo a chance to take vaccine. But that could mean not being able to track long term effects. It’s a point of concern being discussed by the @FDA committee.

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More from @drsanjaygupta

18 Dec
My worlds collided today. While most of you know me as a reporter for CNN, my 'day job' is still: neurosurgeon. (1/11)
As a healthcare worker, it was my turn to get vaccinated today. And, I didn’t hesitate. (2/11)
As a journalist, I have covered the #COVID19 story for the last year — watching the entire process of the vaccine development, the regulatory process and reviewed the data myself. (3/11)
cnn.com/2020/12/11/hea…
Read 11 tweets
6 Dec
While I have been tweeting a lot about the pandemic, vaccines and the virus, I am getting more and more (very funny!) comments about my hair. So, here is a decidedly unserious response. This is how I’m used to my hair looking. (1/12)
It wasn’t always this way. I’ve gone for a more clean cut look after med school. (2/12)
In the beginning of the pandemic, I even tried cutting it myself. (3/12)
Read 12 tweets
2 Dec
With Pfizer’s vaccine being granted authorization in the UK and the prospect of a Covid-19 vaccine EUA here in the US, I wanted to take a moment to answer some of the most common questions surrounding these vaccines. (1/16) Image
“Why is it so tricky to distribute these vaccines?” It’s in large part because the two vaccines currently under EUA review have to be stored at super cold temperatures. (2/16)
Pfizer's vaccine needs the coldest storage at -70C; -94F and that is unavailable in most places. Pfizer has even designed special “thermal shippers” to help transport its vaccine. (3/16) Image
Read 16 tweets
12 Nov
We’ve reached another sad milestone in this pandemic.
The US has surpassed a record of more than 60k Covid-19 hospitalizations for the 2nd consecutive day. (1/12)
But there is some glimmer of hope - a smaller percentage of people are dying now from Covid-19 than in the spring. (2/12)
cnn.com/videos/health/…
One study of the @nyulangone health system found that in the spring, 25.6% of hospitalized Covid-19 patients wound up dying. By the summer, that rate had dropped by more than 2/3rds to 7.6%. (3/12)
journalofhospitalmedicine.com/jhospmed/artic…
Read 12 tweets
9 Nov
I want to take a moment to explain the big vaccine news today. #Pfizer is reporting early data showing their vaccine is “more than 90%” effective in preventing COVID-19. I spoke with #Pfizer’s CEO @AlbertBourla today, as the news broke early this morning (1/10)
Remember – this is an early read from a group of independent experts, not #Pfizer itself. Who are these experts? They’re known as the data safety monitoring board. (2/10)
cnn.com/videos/health/…
What we know: out of nearly 44,000 trial participants, 94 were infected during the trial period. Here is the key finding: more than 90% of the infected cases occurred in the placebo group. Fewer than 10% of the infections occurred among those who had received the vaccine. (3/10)
Read 10 tweets
5 Oct
DAY #4 President Trump hospitalization. There's still a number of unanswered questions about the president's health. Here's what Trump's doctors have told us so far. (1/20)
cnn.com/2020/10/03/pol… Image
Dr. Sean Conley read a prepared statement Saturday morning saying Trump was diagnosed 72 hours ago, meaning Wednesday morning. Dr. Conley later changed the timeline to say the diagnosis was Thursday night. (2/20) Image
So, the timeline is still unclear, but we also don’t know the last time the president had a negative test. This is a critical detail. It allows the contact tracing of people he may have infected - and gives a clearer picture of where he is in his own disease course. (3/20)
Read 20 tweets

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