Today, @WHO announces new, easy-to-say labels for #SARSCoV2 Variants of Concern (VOCs) & Interest (VOIs)

They will not replace existing scientific names, but are aimed to help in public discussion of VOI/VOC

Read more here (will be live soon):
who.int/activities/tra…

#COVID19
The labels for VOI/VOC are simple, easy to say & remember & are based on the Greek alphabet, a system that was chosen following wide consultation & a review of several potential systems.

🙏@WHO Virus Evolution Working Group @nextstrain @GISAID Pangolin groups & many others
The labels don’t replace existing scientific names, which convey impt scientific info and will continue to be used in research (& by @nextstrain @GISAID & Pango).

These labels will help with public discussion about VOC/VOI as the numbering system can be difficult to follow.
No country should be stigmatized for detecting and reporting variants.

Globally, we need robust surveillance for variants, incl epi, molecular and sequencing to be carried out and shared. We need to continue to do all we can to reduce the spread of SARS-CoV-2

#COVID19 @WHO
Manuscript to follow...

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More from @mvankerkhove

30 May
Short variant thread ⬇️

We expect that more variants will continue to be detected as the virus circulates and evolves and as sequencing capacities are enhanced worldwide.

It’s even more critical we drive down and keep down transmission. @WHO #COVID19
As we have said, each variant identified needs to be properly assessed, which is why WHO established the Virus Evolution Working Group in June 2020, and why there is a Global Monitoring and Assessment Framework for #SARSCoV2 variants, coordinated by @WHO.
Re the report of variant from Vietnam: @WHO 🇻🇳 country office & @WHOWPRO are working w MOH 🇻🇳. The variant detected is B.1.617.2 with an additional mutation(s), but more info soon.

Remember: variants are constellations of mutations. Many VOI/VOC have similar mutations
Read 5 tweets
29 May
UPDATED @WHO guidance: Critical preparedness, readiness and response actions for #COVID19

Continue to take all necessary public health & social measures to reduce exposure to #SARSCoV2

who.int/publications/i…
Variants of #SARSCoV2 are circulating, some with increased transmissibility. However, the preparedness, readiness and response actions that are needed remain the same, and should be reinforced.
Countries need access to vaccines and should administer #COVID19 vaccines according to their National Deployment and Vaccination Plans. #COVAX @WHO
Read 9 tweets
28 Apr
If you live in an area where #COVID19 is spreading:

➡️🚫mix w people outside of your household
➡️🚫crowds & gatherings
➡️stay🏠if you can (& open🪟) as many cannot bc of essential work
➡️reconsider travel
➡️💉when you can
➡️seek help when needed

play your part

😷🤧🤚🧼↔️🪟💉
Continued....

➡️isolate if a case (& call hotline or medical provider)
➡️quarantine if a contact
➡️help others where you can, but meet outdoors instead of indoors
➡️follow local guidance

Do what you can to help yourself, family and community

Do it for you, do it for them
Be kind
Be safe
Be informed
Be prepared
Be supportive
Be alert
Be ready

Have a plan, reach out for help and give yourself a break

We are in this together, and we will get through this together

🌍

@WHO
Read 4 tweets
2 Mar
1/7 Short🧵 (@WHO has issued a new ventilation roadmap for #COVID19 ... keep reading!)

Transmission of #SARSCoV2 is a function of how, when and where transmission is occurring and the interventions that are in place.



@DrTedros @DrMariaNeira @DrMikeRyan
2/ When assessing potential #COVID19 exposure risk consider: location, proximity, and time

3/ Let's take a closer look at location: studies show that the risk of #SARSCoV2 transmission is higher indoors compared to outdoors, and particularly risky in indoor settings with poor ventilation, especially where people spend long periods of time. #COVID19
Read 7 tweets
15 Dec 20
Household Transmission of #SARSCoV2: A Systematic Review and Meta-analysis

Interesting paper - a few highlights (taken directly from paper) - worth a read 👇

jamanetwork.com/journals/jaman…
Meta-analysis of 54 studies with 77 ,758 participants, the estimated mean secondary attack rate (SAR) for household contacts was 16.4% (95% CI, 13.4%-19.6%) & family contacts was 17.4% (95% CI, 12.7%-22.5%)
Household and family SARs were >3 times higher than for close contacts (4.8%; 95% CI, 3.4%-6.5%; P < .001)
Read 8 tweets
10 Dec 20
🤔 Want to know how @WHO guidance is developed?

Here’s a brief explainer and🧵⬇️:



1/
@WHO is an evidence-based organization.

The prevention, detection & control strategies & technical guidance that we develop are based on robust science, generated through extensive, collaborative research, & evaluated by a broad network of experts

2/
@WHO works with scientists, clinical and public health professionals, people affected by public health challenges, across the world

3/
Read 14 tweets

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