Ziyad Al-Aly, MD Profile picture
May 1 3 tweets 2 min read Read on X
The economic cost of #LongCovid covid is staggering!

In the US, #LongCovid could result in 1.5 billion work hours lost in 2024 – a potential cost of more than US$152.6 billion

A report by @TheEconomist

impact.economist.com/perspectives/h…
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In the UK, #LongCovid could result in 251.8m work hours lost in 2024 – a potential cost of more than US$15.5bn Image
The report also includes data on the economic burden of #LongCovid in Brazil, France, Japan, Saudi Arabia and Spain.

impact.economist.com/perspectives/h…

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More from @zalaly

Feb 22
📣 New in @ScienceMagazine

I teamed up with @EricTopol to write this #SciencePerspective on Long Covid

Solving the puzzle of #LongCovid

A long 🧵

science.org/doi/10.1126/sc…
First, what is Long Covid?

It is a complex nonmonolithic multisystemic disease with sequelae across almost all organ systems

It can manifest across the life span (from children to older adults) and across race & ethnicity, sex, & baseline health status

science.org/doi/10.1126/sc…
Long Covid is likely a disease with many subtypes that may have different risk factors (genetic, environmental, etc.) and distinct biologic mechanisms that may respond differently to treatments.

science.org/doi/10.1126/sc…
Read 19 tweets
Dec 24, 2023
3 key messages from our recent paper in @TheLancetInfDis

1. Covid is worse than flu

Covid remains a much more serious threat to human health than the flu

thelancet.com/journals/lanin…
2. Comparing the two:

COVID is more multisystemic
Flu is more respiratory

thelancet.com/journals/lanin…
3. Both covid and flu cause more health loss in the long-term than what is evident around the time of the infection

Trivializing these illnesses as inconsequential ignores the large burden of health loss that occurs in the post-acute/chronic/long phase

thelancet.com/journals/lanin…
Read 4 tweets
Dec 16, 2023
Some people objected to use of the term “long flu”

Let me explain

A thread

thelancet.com/journals/lanin…
Lets start with the evidence about health loss

higher in post-acute flu than acute flu

higher in post-acute covid (long covid) than acute covid

In both acute and post-acute phases, burden of health loss was higher in covid than flu

thelancet.com/journals/lanin…
For me, a big revelation from the study was:

the realization that when you measure it, the burden of health loss is higher in post-acute (long) phase of illness than acute phase of illness

I knew this about covid
I did not know this about flu
Read 10 tweets
Dec 14, 2023
📣 New from my team in @TheLancetInfDis

Long-term outcomes of people hospitalized for COVID-19 vs seasonal influenza

A 🧵

thelancet.com/journals/lanin…
The study included:

81,280 individuals hospitalized for SARS-CoV-2
&
10,985 individuals hospitalized for seasonal influenza

We followed them for 1.5 years to characterize the risks of death, health care utilization & 94 health outcomes

thelancet.com/journals/lanin…
Covid had higher risk of death, healthcare utilization and sequelae in most organ systems than flu

This was evident in pre-delta, delta, and omicron; and also evident in vaccinated and unvaccinated individuals.

thelancet.com/journals/lanin…

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Read 9 tweets
Aug 21, 2023
1/ 📣 New from my team in @NatureMedicine

In a study of 6 million people, we examined risk trajectories of 80 components of Long Covid over 2 years post-infection

📌 Risks remained elevated for many Long Covid conditions even 2 years infection

A 🧵

nature.com/articles/s4159…
2/ The study included:

138,818 individuals with SARS-CoV-2
&
5,985,227 non-infected controls

We followed them for 2 years to characterize the risk trajectories of death, hospitalization and 80 components of Long Covid

nature.com/articles/s4159…
3/ In people who were not hospitalized during the acute phase of COVID (the majority)

risk of death remained elevated up to 6 months

risk of hospitalization remained elevated up to 19 months

risks remained elevated for 31% of sequelae during the 2-year

nature.com/articles/s4159…
Image
Read 22 tweets
May 10, 2023
My piece in @TheLancetInfDis

Reflections on Long Covid prevention: progress and challenges

A thread

thelancet.com/journals/lanin…
LongCovid does not only affect patients and their life expectancy, but also societal wellbeing and economic indicators (labour participation and economic productivity).

Preventing long COVID should be a public and a global health priority.

thelancet.com/journals/lanin…
All evidence points in the same direction—SARS-CoV-2 antivirals might be important tools for prevention of Long Covid

Paxlovid reduced the risk by 26%

Molnupiravir reduced the risk by 14%

Ensitrelvir may also reduce the risk

thelancet.com/journals/lanin…
Read 12 tweets

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