1/ Great thread here by my old friend @CharlesBHolmes.
Regeneron's press release (not a study!) didn't comment on side-effects. With other monoclonal antibodies, side-effects have included fever, chills, weakness, headache, nausea, vomiting, diarrhea, low blood pressure, & rash.
2/ More severe side-effects may include: life-threatening anaphylaxis, cytokine release syndrome (also caused by COVID), cardiac toxicity, clotting dysfunction, immune-related effects, infections, autoimmunity, and off-target effects.
3/ The Regeneron monoclonal antibody cocktail is so new we don't yet have data on its side-effects. And it hasn't been tested in older patients, like the president.
4/ Yes, monoclonal antibodies are a promising approach for the treatment of COVID (more here: podcasts.apple.com/us/podcast/s1e…), but I find it perplexing that such an experimental drug with unknown risk profile would be given to the president.
5/ I also think it's strange that the decision to treat the president with monoclonal antibodies was made without consultation with an infectious disease specialist or members of the WH Coronavirus Taskforce, who are among the world's leading experts (e.g. Dr. Fauci).
6/ It's certainly possible that the president's decompensation and need for hospitalization could be due to the monoclonal antibody cocktail, but in the absence of information and transparency on the part of the WH, it's impossible to know.

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More from @celinegounder

Jul 26
1/ New Hope Against Dementia: study says singles vaccine also appears to delay onset of dementia
with @CBSMornings' @tonydokoupil @AdrianaDiaz @nateburleson
2/ A study published yesterday in Nature Medicine found that the new Shingrix vaccine was more protective than the old Zostavax vaccine in delaying dementia.

The Zostavax shingles vaccine was discontinued after the Shingrix vaccine was approved.

nature.com/articles/s4159…Image
3/ The Shingrix vaccine is also more protective than Zostavax in preventing shingles.

Shingles is caused by the varicella-zoster virus (VZV), a herpes virus that also causes chickenpox.
Read 15 tweets
Jun 19
1/ Why are People Promoting Raw Milk?
by @elizabethics for @RollingStone


If you drink unpasteurized milk, you don't just risk getting #H5N1 bird flu.rollingstone.com/culture/cultur…
2/ Image
3/ Image
Read 5 tweets
Jun 19
1/ Tick-borne infections are on the rise around the country

with @CBSMornings @GayleKing @tonydokoupil @nateburleson
2/ A unique collaboration among hunters,
the Texas Parks & Wildlife Department @TPWDnews,
& researchers at @Baylor University
is helping to map what tick-borne diseases can be found where.
3/ Lyme disease is the most common tick-borne infection in the US, but it's far from the only one.
hopkinslymetracker.org
Read 13 tweets
Jun 14
1/ #H5N1 bird flu update on @CBSMornings with @GayleKing @vladduthiersCBS @nateburleson

Who's at risk for bird flu right now?
🔹You're at risk if you're a dairy farmworker &/or if you drink raw milk.
2/
🔹If the virus mutates (which is what viruses do!) & becomes transmissible between humans, we could have a pandemic virus on our hands.
3/
🔹Flu viruses can mutate incrementally (drift) or dramatically (shift).
🔹We see dramatic shifts when 2 flu virus strains infect the same animal or person.
🔹Those 2 flu strains can swap "body parts" & form a Frankenstein virus.
Read 9 tweets
May 30
1/ #H5N1 bird influenza is deadly to birds.

Most of our flu vaccines are manufactured using eggs.

Birds lay eggs, but they can't do that if they're dead.

Houston, we have a problem.

cbsnews.com/video/scientis…Image
2/ Influenza virus is grown in eggs.

Then the virus is inactivated (i.e. killed) & formulated into flu vaccine.
3/ Cell-based vaccines (e.g. mammalian cells, insect cells) elicit better immune responses, but egg-based manufacturing has cornered the market on flu vaccines.

Pfizer & Moderna are developing mRNA vaccines for influenza.
Read 4 tweets
May 13
1/ What is H5N1 bird flu costing dairy cattle farmers?

Let's say you have a 5,000 cow dairy.

Those cows produce an average of 85 lbs of milk per day
= 425K lbs of milk/day x 7 days/week
= 2.975M lbs of milk/week
2/ Milk producers are paid by "hundredweight" (cwt).

The current class III price is $18.66/cwt of milk. Image
3/ So the gross revenues of the farm per week are:
2.975M / 100 x $18.66
= $555,135/week

The breakeven price
i.e. Gross revenue - Input Costs = 0
is between $17 & $21.
Read 7 tweets

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