Thanks to #opendata sharing by @GISAID, we've updated nextstrain.org/ncov with 7236 new #COVID19 #SARSCoV2 sequences!

Check out the new sequences from Rwanda (1) on nextstrain.org/ncov/africa.

(Thanks to @RBCRwanda, @EMukantwali, @UmJeann)

1/11
@GISAID @RBCRwanda @EMukantwali @UmJeann You can find the new sequences from Australia (6) and New Zealand (20) on nextstrain.org/ncov/oceania.

(Thanks to @SAHealth, @ESRNewZealand, @MathStorey, @Joepdl, @sciolato)

2/11
@GISAID @RBCRwanda @EMukantwali @UmJeann @SAHealth @ESRNewZealand @MathStorey @Joepdl @sciolato New sequences from Brazil (20), Chile (8), Trinidad (8) and Uruguay (1) can be found on nextstrain.org/ncov/south-ame….

(Thanks to @imtspusp, @saorafaelbahia, Instituto Adolfo Lutz, @ispch, @CMMUChile, @for_genome, @CVFCarrington, @UWI_StAugustine, @IPMontevideo)

3/11
@GISAID @RBCRwanda @EMukantwali @UmJeann @SAHealth @ESRNewZealand @MathStorey @Joepdl @sciolato @imtspusp @saorafaelbahia @ispch @CMMUChile @for_genome @CVFCarrington @UWI_StAugustine @IPMontevideo New sequences from Bangladesh (10), Georgia (3), India (1), & Indonesia (12) are on nextstrain.org/ncov/asia.

(Thanks to @UnivofDhaka, @NCDCGeorgia, @THSTIFaridaba, @itbofficial, @sithitb, @unpad, Lab Kesehatan Jawa Barat, @11MaretUniv, @rumahsakituns, NIHRD Indonesia)

4/11

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More from @nextstrain

18 Jun 20
Thanks to fast sequencing & #opendata sharing from Institute of Viral Disease Control & Prevention, China CDC & @GISAID, 3 sequences from the recent #SARSCoV2 #COVID19 Beijing outbreak are now on nextstrain.org/ncov

They fall in clade 20B - frequently observed in Europe

1/6 Image
@GISAID In our global build, the nearest sequences are from the Czech Republic, Taiwan, Greece & Portugal.

However, it's important to remember our builds are downsampled. We can look at the regional builds for different perspectives.

2/6 Image
@GISAID In the Asian build (left) we see same Czech & Taiwan seqs, but also nearby seqs from Denmark, Columbia, Israel, Austria.

In the Europe build (right), we see the Czech & Denmark seqs, but many other sequences from Europe. Some (Portugal, Sweden) are only 1 mutation away

3/6 ImageImage
Read 6 tweets
22 Apr 20
Thanks to #opendata sharing by @GISAID, we've updated nextstrain.org/ncov with 71 new #COVID19 #SARSCoV2 #hCoV19 sequences!
- 67 USA (49 NY, 9 WI, 9 CT)
- 4 Sri Lanka

(Sri Lanka shown)

1/4
@GISAID The Sri Lanka sequences fall throughout the tree. 3 of them are found in mixed, more European-centered clusters (example in the left image). Only one sequence clusters close to other Asian samples (right image, non-asian samples in gray).

(Thanks to @GMalavige, @DinukaAri)

2/4
@GISAID @GMalavige @DinukaAri The majority of the new NY sequences falls within a large USA cluster. 4 of the sequences fall separately throughout the tree in more European-centered clusters.

(Thanks to @nyulangone)

3/4
Read 4 tweets
8 Apr 20
As part of the last push, you might notice things looking a bit different on our website!

As the number of available sequences has grown, we've looked for ways to better display them - so they can be useful within the context that matters, while still giving a global view.

1/7
We've moved to a new system where we can do both! We're now running 'Global' builds (nextstrain.org/ncov) which try to show a balanced overview by subsampling down to 120 seqs per division, per month, per year.

2/7
However, to ensure densely-sampled views are still available, we've introduced 'Regional' builds - for Asia, Africa, Oceania, North America, South America, & Europe.

These highlight seqs from that area (color), while putting the global context less prominently (grey).

3/7
Read 7 tweets
3 Apr 20
Thanks to #opendata sharing on @GISAID, nextstrain.org/ncov is updated with 323 new #COVID19 #SARSCoV2 sequences!
- Australia (304!)
- Spain (2)
- Virginia, USA (8)
- New York, USA (9)
@GISAID Thanks to @unimelb, the Victorian Infectious Diseases Reference Laboratory (VIDRL), and the Royal Darwin Hospital, we have 304 new sequences from Australia, which can be found throughout the entire tree
@GISAID @unimelb Thanks to @DGSvirginia, we have 8 new sequences from Virginia USA, which cluster with other North American genomes
Read 4 tweets
29 Mar 20
Thanks to #opendata sharing on @GISAID, nextstrain.org/ncov is updated with 59 new #COVID19 #SARSCoV2 #hCoV19 sequences!

These are:
- USA (19: 2 WI, 17 CA)
- Brazil (1)
- Hungary (1)
- Spain (1)
- France (23)
- First 2 seqs from Algeria!
- First 12 seqs from Senegal!

1/4
@GISAID Senegalese seqs (thx to Institut Pasteur de Dakar) largely join with European samples. 10 seqs form 2 tight clusters of 4 & 6 seqs, while 2 fall separately in the tree.

1 of these is attached to a diverse cluster dominated by Spanish & Chilean sequences.

2/4
@GISAID New seqs from France, Senegal & Algeria spread among primarily European samples.
The two Algerian samples cluster among French seqs, but are distinct from each other & the French seqs nearby

(thanks to @institutpasteur @Pasteur_Algerie Institut Pasteur de Dakar)

3/4
Read 4 tweets
28 Mar 20
Thanks to #opendata sharing on @GISAID, we've added 202 new #COVID19 #SARSCoV2 #hCoV19 sequences from all over the world to nextstrain.org/ncov!

This brings us to over 2,000 sequences in Nextstrain! 🎉

Let's walk through a bit of what's new...

1/6
@GISAID Among 82 new seqs from Wales (thanks to @SmallRedOne @tomrconnor @PublicHealthW @WalesMicrobiol), we see evidence for community transmission among many, which also cluster with older Welsh seqs

Other Welsh sequences show evidence of transmission with England & Iceland

2/6
@GISAID @SmallRedOne @tomrconnor @PublicHealthW @WalesMicrobiol 42 new sequences from Portugal (thanks to @borges__vitor @raqguiomar @GOMES__JP @irj_pt) are spread across the tree, like many European countries. Many cluster together, providing some evidence of community transmission.

(3/6)
Read 6 tweets

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