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Maria Van Kerkhove Profile picture
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Jan 19 • 4 tweets • 4 min read
Latest @WHO Weekly #COVID19 Epidemiological Update published last night (18.01.22)

Case reporting ⬆️ 20% globally in last week, w significant variation around the world.Deaths slightly increased w 45,543 people reported dead. Far far too many when tools can prevent #VaccinEquity
In last 7 days, almost 19 million cases were reported to @WHO. True number of cases is higher & this spike is causing significant burden on health systems around the world bc hospitalisations are also increasing due to #Omicron.

NB variation in % case & death change by region
With thanks to increased #COVID19 surveillance by professionals all over the world and expanded sequencing globally, sequences shared with @gisaid allow for detailed analyses of #Omicron (and all @WHO characterised VOI and VOCs) by @WHO and partners around the world.
Now is not the time to abandon the global comprehensive strategy to ⬆️ vaccination coverage in those most at risk and ⬇️ transmission. We can end the acute phase (ie the emergency we all face) of the pandemic in ’22. We have the tools, we need to use them

who.int/publications/m…

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More from @mvankerkhove

Maria Van Kerkhove Profile picture
Dec 1, 2021
🧵Almost 3.8 million new #COVID19 cases & 47,524 deaths were reported last week

The◼️ line is reporting deaths. This should be a much steeper decline bc of available COVID-19 vaccines. But its not bc the world is not prioritising vaccination in people at risk in ALL countries
Important: Delta is dominant worldwide and needs to be controlled. What we do for Delta will benefit Omicron - no matter what we learn about this variant.

Right now, we need to continue to drive down transmission, drive up vaccination coverage in at risk populations.
A plea: Countries that have driven down transmission need to remain vigilant & keep transmission low (& no, I don’t mean with lockdowns). We mean tailored and targeted measures in all countries based on epi and capacities.

covid19.who.int
Read 4 tweets
Maria Van Kerkhove Profile picture
Sep 26, 2021
A couple of misrepresentations in the @WSJ article that I’d like to address… short thread⬇️
The @WHO SAGO is NOT the next mission team to China. It is an advisory group set up to establish a framework to study the origins of emerging and re-emerging pathogens of pandemic potential when they emerge.
For decades, we have seen the repeated threat of emergence of known & new threats: SARS-CoV, MERS-CoV, avian flu, pandemic flu H1N1pdm09, Ebola, Marburg, Lassa, Nipah, Zika… SARS-CoV-2. #COVID19 was disease X and the next disease X is out there.
Read 10 tweets
Maria Van Kerkhove Profile picture
Aug 31, 2021
Short 🧵 on @WHO’s latest #COVID19 Epi update (available now)

Globally, trends continue to be worrying. Plateauing at more than 4.3 million cases each week and around 67k deaths is tragic - there is no easy way to say this.

Full sit rep here
who.int/publications/m…
In our update, we provide more info at regional levels, a summary of VOC geographic distribution and info on a new global classified VOI “Mu” B.1.621.

Some basics of Mu:
➡️1st identified in Colombia in Jan 2021
➡️Has mutations that warrant further study
(keep reading)
➡️Data on Mu has been shread with @WHO Virus Evolution Working Group 🙏
➡️As of 29 Aug, 4.5k sequences of Mu have been uploaded to @GISAID from 39 countries
➡️ Circulation of Mu is ⬇️ globally & < 0.1% of currently shared sequences of Mu, but this needs careful observation
Read 4 tweets
Maria Van Kerkhove Profile picture
Aug 30, 2021
Quick thread on the C.1.2 variant that has been in the news and on twitter today…

First remember that the more the virus spreads the more opportunity it has to change. We have the tools to prevent infections, reduce the spread & save lives - lets use them.

Keep reading…
@WHO has regularly been discussing with South African researchers about theirr work on sequencing throughout the #COVID19 pandemic. 🙏 We are grateful for researchers in 🇿🇦 who first presented their findings on variant C.1.2 to the WHO Virus Evolution Working Group in July ‘21.
Thanks to these scientific collaborations, sharing of sequences & analyses by 🇿🇦(eg ⬇️) & researchers around 🌍🌏🌎, @WHO & partners are able to quickly monitor & assess specific mutations and variants identified & alert the world of any potential risks. medrxiv.org/content/10.110…
Read 7 tweets
Maria Van Kerkhove Profile picture
Aug 22, 2021
On Friday, @WHO released a call for membership for the Scientific Advisory Group on the origins of novel pathogens – #SAGO.

I’ve received many messages this weekend (🙏), hence the short🧵but the punch line is: If you’re qualified, please apply.

Here is the call for applications with the details of how to apply, but lets take a closer look at the who, what, where, why and when (in a little different order)…

who.int/news/item/20-0…
What? #SAGO is being established to advise @WHO on developing a global framework to study the origins of emerging and re-emerging pathogens, including but not limited to #SARSCoV2

Remember also SARS, MERS, avian flu, Ebola, Marburg, Lassa, Nipah, Zika, etc … & “Disease X”.
Read 12 tweets
Maria Van Kerkhove Profile picture
Aug 9, 2021
Its all in data & analytics… while #COVID19 data is imperfect, its critical to regularly analyze, discuss and tailor our responses as, when and where needed. @WHO 1/11
Cases, hospitalizations, ICU capacities, deaths, risk factors, vaccination status, test +, vaccine efficacy, incidence, trends, transmission, attack rates, impact of interventions, research results, inequity, access, capacities, costs, etc analyzed by 100,000s around 🌎 daily. 2/
For 7 consecutive weeks, cases of #COVID19 have increased and deaths have hovered at around 64-65k/week.

Last week there were, again, >4 million cases reported to @WHO pushing us over a tragic 202,000,000 cases that we know about…Far more cases have occurred worldwide. 3/
Read 11 tweets

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