Craig Spencer MD MPH Profile picture
Mar 26 17 tweets 5 min read Read on X
The U.S. has actively dismantled the global disease-detection programs we all—including Americans—rely on to stay safe

Today this administration’s short-sighted global health agenda got even even worse

It’s ending its support for vaccine programs around the world

Why?? 🧵 Image
With unnecessary haste, the Trump administration is pulling funding from GAVI.

GAVI is a massive force in global health.

Since starting in 2000, it has saved millions of lives around the world through vaccination

Gift link to @nytimes story by @snolen
nytimes.com/2025/03/26/hea…
It is focused on getting vaccines to people around the world who need them

For routine immunization…

And also for really important but less common diseases like Ebola

To date, they’ve vaccinated over a billion kids!!!

They are irreplaceable. Losing GAVI would be disastrous.
Why do we need a GAVI?

And why can’t vaccine manufacturers and pharmaceutical companies just help fill this gap?

For too long, ensuring equitable access to vaccines and treatments has been a massive challenge.

I recently wrote about the hurdles 👇
nejm.org/doi/full/10.10…
Put simply, for so long, there wasn’t a ‘desirable’ market for vaccine manufacturers.

GAVI was created to address this market failure

It buys vaccines in bulk so that they are affordable to lower-income countries

And now, GAVI now helps vaccinate HALF THE WORLD’S CHILDREN
So why should you care?

Well, for one thing, loss of U.S. support—especially so quickly—means kids will die.

75 million children won’t receive vaccinations in the next 5 years.

1.2 million could die as a result.

All vaccine-preventable deaths. Image
Also, this is PROMISED American support that was supposed to support GAVI through 2030.

It’s ~$500 million a year

Which is less than what Americans spend on pumpkin-spice items annually.

An absolutely pittance to keep our commitments and stop kids from dying unnecessary deaths
Okay, maybe there are people not moved by unnecessary child deaths

For them, they should still be very concerned for overtly selfish reasons.

Disease outbreaks that percolate abroad will undoubtedly show up here in the U.S.

theatlantic.com/ideas/archive/…
This administration has already destroyed the systems needed to detect those outbreaks, meaning we’re flying blind

And now they’re pulling back the tools that would help prevent those outbreaks from starting in the first place

The result is predictable

theatlantic.com/ideas/archive/…
Imagine this:

An Ebola outbreak starts

It goes undetected, because we’ve cut support to laboratories around the world that would’ve helped pick it up sooner

My colleague @JenniferNuzzo compares it to getting rid of smoke detectors during a fire

npr.org/sections/goats…
As it grows, perhaps it eventually gets detected.

But countries don’t want to share news about the outbreak.

It will come with stigmatizing travel bans.

Plus, the U.S. isn’t sending CDC or USAID folks to help anymore, so what’s the point? Just try to smother it…
But that doesn’t work.

It grows, even bigger.

But unlike the 2014 outbreak, we have a tool—effective Ebola vaccines!!!

So you need to get those in the country, quickly

Guess who finances the global stockpile of Ebola (and cholera and yellow fever and meningitis) vaccines???
Yep, GAVI.

And they can also help countries with the operational costs of getting vaccines into arms.

Without groups like GAVI, we don’t have stockpiles.

We don’t have rapid response to outbreaks.

We have more people around the world die…

who.int/groups/icg/abo…
And we have much greater global risk—including to Americans.

This isn’t just about preventing kids around the world dying from vaccine-preventable illnesses—although that is SO freakin important!

It’s about keeping us all safe.

All of us.
Cutting GAVI support

Dismantling USAID

Muzzling the CDC

Pulling out of WHO

Undermining vaccines here in our own country

And turning our eyes and ears away from the rest of the world isn’t just cruel

It’s short-sighted

And I promise, yet again,

We will regret this.
Important statement from @MSF_USA today:

“Resuming full funding for Gavi and other critical health and humanitarian efforts isn’t just the right thing to do, it’s a smart investment in global stability, and a healthier future for millions of children.”

doctorswithoutborders.org/latest/us-deci…
Adding a piece by @DrSethBerkley who led GAVI from 2011-2023.

He reminds us that GAVI "has achieved a return on investment that would be the envy of Wall Street: $54 for every dollar spent"

An incredibly efficient use of U.S. support to save lives.

time.com/7272078/trump-…

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More from @Craig_A_Spencer

Mar 12
I just watched the whole RFK Jr—Hannity interview where they discuss measles.

I don't know what to say.

I'm really just speechless.

Listening to health leadership bungle basic facts at best—and tell outright lies about long-settled science at worst—is just SO disappointing.
No, the measles vaccine does NOT wane by 4.5% every year!

He's confusing the measles vaccine for the mumps vaccine, which does wane.

No, Vitamin A is NOT a cure-all, even if it CAN help.

The vaccine is BY FAR the safest way to stay safe.
He keeps saying natural immunity gives you better protection long-term...

But he never says that a measles infection can cause 'immune amnesia', suppressing your immune system immediately and for years after.
Read 5 tweets
Mar 3
The World Health Organization just released an update on the cluster of deaths in the Democratic Republic of Congo.

There's a lot in here, and I'll break it down below.

But the biggest takeaway?

We are SO lucky to have WHO doing this work...

who.int/emergencies/di…
This cluster was first detected in early February in the northwestern part of DR Congo.

So far 55 deaths have been reported.

The deaths were quick—many reported in 24 hrs after symptom onset.

Ebola and Marburg testing was negative Image
Most deaths are in young people, especially males.

50% of those tested for malaria were positive...so it might explain SOME of this, but not ALL of this.

From the report: "working hypotheses include chemical poisoning or a rapid onset bacterial meningitis cluster" Image
Read 7 tweets
Feb 26
Make a huge mistake. Then make a false claim about how you fixed it.

They did it for PEPFAR.

Now Ebola.

I follow this particular topic VERY closely, so here's what really happened and why this isn't true AT ALL...🧵
On January 29, Uganda reported an Ebola outbreak.

Normally the U.S. would've very quickly sent one of our Ebola experts to help the response.

But this time, we didn't.

Because we couldn't.

Because this administration wouldn't let them go right when this outbreak was declared.
And normally the U.S. would've helped set up border screening and other measures on the ground.

But this time, we didn't.

Normally, we would've spoke with the WHO about helping end the outbreak.

But this time, we didn't.

Because CDC staff weren't even allowed to talk to them.
Read 6 tweets
Feb 16
There was an ‘Ebola scare’ in NYC.

Or, at least there was on social media.

Viral posts manufactured a lot of things that just weren’t true.

NYC health commissioner already debunking this misinformation.

BUT this event DOES highlight something that is really important… 🧵 Image
In ‘normal’ times—that is, before we slashed USAID and CDC—we would’ve had a lot of boots on the ground responding to the Ebola outbreak in Uganda and the Marburg outbreak in Tanzania.

Guess what, now we don’t.

Because with the new Trump admin restrictions, we couldn’t.
In ‘normal’ times, USAID would’ve help establish border screenings at the airports to detect cases before they could get on a plane.

Guess what, this time they didn’t.

Thankfully, WHO stepped up this time.

Who knows what’ll happen next time.
Read 8 tweets
Dec 22, 2024
It’s being reported that the Trump administration plans to withdraw from the World Health Organization on day one.

This is not a huge surprise.

But it IS an absolutely stupid and self-defeating move.

And I say this as a longtime critic of the WHO…🧵
The first time the Trump administration tried to withdraw from the WHO back in 2020, I wrote for @USATODAY what we needed to do was build up, not tear down, the WHO.

Despite its faults, the WHO plays a huge role as ‘our eyes and ears around the world.’

usatoday.com/story/opinion/…
There is no other organization with the relationships and buy-in to do the critical work needed to keep us ALL safe—including us here in the U.S.

The WHO also has critical partnerships & programs that we benefit from for vaccines and critical health data

who.int/initiatives/gl…
Read 6 tweets
Dec 19, 2024
Hey @elonmusk, that’s not ‘bioweapon labs’

I’m (unfortunately) very uniquely qualified to tell you why this is important. And why you’re very wrong here.

I assure you, with 100% certainty, that cutting this is pure stupidity

(Also, did you read a few more lines to Sec 2315c?)
For anyone paying attention (is anyone still actually even here??)…

THIS 👆👆👆 is exactly how overconfidence mixed with a stunning lack of expertise and stubborn unwillingness to listen to people who actually know what they’re talking about will directly put you at risk.
I could happily speak on the congressional floor for hours about why we need BSL-2, BSL-3 (and BSL-4) labs. So could a lot of really qualified folks, many way smarter than me.

We could also talk about what happens if we don’t have them, and how that puts us all at risk.
Read 6 tweets

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