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1 Oct, 4 tweets, 3 min read
1. If you're a fan of #VRBPAC — and seriously, who isn't a fan of VRBPAC? — October is going to be a banner month.
3 upcoming meetings. More boosters! Mix-&-match! #Covid vaccine for kids!
fda.gov/news-events/pr…
2. @US_FDA announced this afternoon it will convene its vaccines advisory committee, #VRBPAC, on Oct. 14 & 15 to discuss booster shots for both the Moderna (Oct. 14) & J&J (Oct. 15) vaccines.
That will be especially welcome news for J&J recipients, I think.
3. As a bonus, the Oct. 15 meeting will include discussion of data from the NIH's mix-&-match study, where they've been looking at whether boosting with a different vaccine works as well or better, aka a heterologous boost. This is critical info for the best use of Covid vaccines
4. On Oct. 26, #VRBPAC will meet to discuss Pfizer's application to extend the EUA for its #Covid vaccine to allow use in children aged 5 to 11. This will also be hugely important.
@matthewherper & I will live blog these meetings.

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More from @HelenBranswell

Helen Branswell Profile picture
29 Sep
1. As we look to the coming winter in the Northern Hemisphere, 2 big Qs loom. What's going to happen with Covid? & Will #flu return in a significant way this winter?
@WHO's biweekly flu update suggests transmission remains at low levels globally.
All data below are from @WHO.
2. There are smatterings of #flu here and there around the globe. Some flu B in the Caribbean & Central America. Some flu A in parts of Africa and Asia.
3. How much #flu is out there? Of nearly 276K flu tests run in 88 countries from 8/30-9/12, 1,884 were positive for flu — 0.68%.
During the same 2-week period in 2019 (ie before Covid) 7.4% of tests globally were positive for influenza. In 2020, it was 0.04%, ie almost none.
Read 8 tweets
Helen Branswell Profile picture
26 Sep
1. Belatedly looked at this week's FluView from @CDCgov. There's something to watch here.
A child or teen in Ohio contracted a swine flu virus — an H1N2. Public health investigations can find no link between the person & pigs, ie didn't live on a farm, didn't attend a state fair.
2. Public health has concluded it is possible this person was infected by another person. According to @CDCgov, they can see no evidence of ongoing person-to-person spread. But this bears watching. The 2009 flu pandemic was caused by a swine #flu virus.
3. There are a number of cases every year of people contracting a swine #flu virus in the US. Ten reported so far this year. Typically they occur in people who live or work on a farm with pigs, live with someone who works with pigs or has had contact with pigs at a fair.
Read 4 tweets
Helen Branswell Profile picture
23 Sep
1. Good day. #ACIP is meeting today to vote on recommendations about who should receive a booster shot of the Pfizer #Covid vaccine. The meeting starts at noon ET. I will be live tweeting.
@US_FDA's EUA for the Pfizer booster is veeeeeery broad. statnews.com/2021/09/22/fda…
2. The meeting is underway. Doran Fink of @US_FDA is now explaining FDA's EUA for the Pfizer booster, which was issued last night.
My observation: The group of people eligible for a booster under this EAU is very broad. 16-17 yos are excluded but many over 18 will be eligible.
3. @CDCDirector is addressing #ACIP. She acknowledges that the committee has to make decisions, sometimes with a huge amount of data, sometimes with "a paucity."
She mentions pregnant people.
My observation: Oddly, there was no mention of them in the FDA EUA.
Read 50 tweets
Helen Branswell Profile picture
22 Sep
1. Good morning. #ACIP is meeting today and tomorrow. Today, at least, I will be live tweeting.
@US_FDA has not yet indicated what it is going to do with Pfizer's application for a booster license. So it's really completely up in the air at this point how this turns out.
2. You'll recall FDA's advisory committee, #VRBPAC, voted that there wasn't enough data to approve the Pfizer application to give a booster to everyone 16 & older. VRBPAC did agree there was enough data to authorize boosters for people 65 & older & people at high risk.
3. But as I mentioned, FDA hasn't indicated what it's going to do. It is not bound to follow #VRBPAC's advice, but it will cause a real stir if it does not. If it doesn't follow VRBPAC's advice, it may set up a situation where a second advisory committee #ACIP disagrees with FDA.
Read 46 tweets
Helen Branswell Profile picture
13 Sep
1. Some unsettling #rabies exposure stories in a post from the invaluable @ProMED_mail tonight.
Some people in RI were feeding a raccoon that later testing showed was infected with rabies.
People: Do not feed raccoons. They do not need your help. local21news.com/newsletter-dai…
2. A grey cat that was hanging around a campground in Frederick County, Md, tested positive for #rabies. There were reports the cat was biting & scratching people between Aug 24 & Sept 3. People exposed or people whose pets were exposed to the cat should contact their MD or vet.
3. A link to the cat story here.
Important to know: #Rabies is fatal without quick post-exposure treatment. wfmd.com/2021/09/08/cat…
Read 4 tweets
Helen Branswell Profile picture
10 Sep
1. Being as it's Friday, there will be a #flu update from @CDCgov later this morning. I'll add to this when it comes out.
Just looking at the weekly Covid & #influenza report from @PHE_uk. In a normal flu season, one might see a little flu activity in early Sept. Nope. Image
2. @CDCgov's FluView is up. Actual confirmed cases of #flu remain very low. There is, however, a fair amount of influenza-like illness, or ILI, activity. The report suggests it may have plateaued among 0-4 & 5-24 yr olds. Will be interesting to watch this, now that school is in. Image
3. @CDCgov reports another 2 cases of infection with swine #flu viruses have been detected, both in Iowa. Neither was sick enough to need hospital care; both recovered. Both had traceable links to pigs. Image
Read 7 tweets

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