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Maria Van Kerkhove Profile picture
@mvankerkhove
Aug 26, 2020 • 3 tweets • 2 min read • Read on X
At Monday’s @WHO presser, I was asked about a report of reinfection of #SARSCoV2 from @hkumed

I was asked again during today’s #AskWHO live Q&A (watch the video👇)

cnbc.com/video/2020/08/…

1/2
Monday’s presser q&a here (from min 11). Q from Bloomberg

2/2
I also had an opportunity to mention the productive discussion @DrTedros and I had with #LongCovidSOS and other patient groups

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More from @mvankerkhove

Maria Van Kerkhove Profile picture
Nov 2
As we head into the winter season in the northern hemisphere, I am worried about current #COVID19 vaccination levels.

A short thread 🧵about where we are and what we need to be doing…
Vaccination remains a critical tool for preventing the serious impacts of #COVID19, especially in those at high risk of severe disease - including older adults, individuals with chronic or immunocompromising conditions, pregnant women, and health and care workers. Image
A number of recent studies continue to demonstrate the impact #COVID19 vaccines have had in preventing death and disability from both acute COVID-19 and increasingly from Post COVID-19 Condition (PCC or #LongCOVID) & more research is needed. However...

thelancet.com/journals/lanre…
Read 19 tweets
Maria Van Kerkhove Profile picture
Jun 24
Despite not being in the news, #COVID19 has not gone away. @WHO continues to work with all countries on surveillance, reporting & risk assessments of circulating variants (JN.1, KP.2, KP.3…) & their impact.

Our latest Epi Update (with variant update) ⬇️
who.int/emergencies/di…
Yes, the impact of COVID is far less than it was in a few years ago, but we can’t become complacent: Recent vaccination coverage in at risk groups is poor, there are ⬆️ trends in hospitalisations in a number of countries, the virus continues to evolve…

technet-21.org/en/resources/r…
… COVID does not circulate with predictable seasonality, our understanding of acute and long term effects (#LongCOVID) is still weak, there is little effort to prevent the spread. Prevention of infection remains impt even with the overall impact of #COVID19 lower than 20-22, etc
Read 4 tweets
Maria Van Kerkhove Profile picture
May 23
Short 🧵 re #H5N1

An integral component of @WHO’s overall global strategy for #influenza pandemic preparedness activities is the development of candidate vaccine viruses (CVVs) representing influenza viruses of zoonotic and pandemic risk.
Selection and development of #influenza candidate vaccine viruses (CVVs) are the first steps towards timely vaccine production, when needed…
Due to the evolving nature of influenza viruses, the genetic and antigenic characteristics of contemporary zoonotic influenza A viruses and development of CVVs for pandemic preparedness are summarized and published twice a year ().who.int/teams/global-i…
Read 10 tweets
Maria Van Kerkhove Profile picture
May 5
🧵Lots of interest in #H5N1 in 🇺🇸 so wanted to provide a little background on @WHO’s work in #flu (For latest in US see: @CDCgov @USDA @US_FDA)

And some info on the H5N1 flu vaccine pipeline in humans (note, we don’t need this yet, but I’m getting a lot of questions about this)
@WHO’s work in #flu spans >7 decades with the Global Influenza Surveillance and Response System (GISRS) who.int/initiatives/gl…
GISRS is currently composed of:
152 WHO National Influenza Centers in 130 Member States
7 WHO Collaborating Centers for Influenza and 
12 WHO H5 Reference Laboratories
who.int/images/default…
Read 18 tweets
Maria Van Kerkhove Profile picture
Mar 29
For the last few years, @WHO and @CERN have been developing a risk assessment tool to estimate indoor airborne transmission of #SARSCoV2 to better advise on risk mitigation measures for #COVID19.🧵

home.cern/news/news/know…
Note: The risk assessment tool itself has been online for more than a year, helping our member states and partners reduce the risks of airborne transmission indoors. 

partnersplatform.who.int/aria
The model behind the tool and updated data from literature reviews were published this week.

We are grateful for the collaboration with @CERN and our ARIA Technical Advisory Group on this incredible work.

iris.who.int/handle/10665/3…
Read 4 tweets
Maria Van Kerkhove Profile picture
Mar 11
Short 🧵

Many use today as a day to mark significance in the @COVID19 pandemic.

I welcome any way in which we can raise attention to COVID-19, to remember our loved ones lost-and still losing- but also to ensure that we continue to act to tackle the current threat of COVID-19.
It was the day, 4 years ago, the Director-General of @WHO @DrTedros characterized #COVID19 as a pandemic. I remember that day vividly...because it was significant in the lives of everyone on the planet and in mine personally…
But let's accurately mark history here: it's not the day @WHO "declared" a pandemic.

For me, what is heartbreaking is that this day-arguably-marks when the world woke up to the threat of #COVID19, when that awakening should have been at least 6 weeks earlier when DG declared…
Read 8 tweets

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