• Mashup Score: 46
    Nextstrain / monkeypox - 2 year(s) ago

    Genomic epidemiology of monkeypox virus

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    • @HelenBranswell @CDCgov @firefoxx66 You can see sequences from Florida (MPXV_USA_2022_FL001) and Virginia (MPXV_USA_2022_VA001) up at https://t.co/EgWDVnoSrh now. Both genomes and their connecting branch show patterns of mutation suggestive of continued faster evolution via APOBEC editing.

  • Mashup Score: 23

    Accurately estimating relative transmission rates of SARS-CoV-2 Variant of Concern and Variant of Interest viruses remains a scientific and public health priority. Recent studies have used the sample proportions of different variants from sequence data to describe variant frequency dynamics and relative transmission rates, but frequencies alone cannot capture the rich epidemiological…

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    • We can assess variant-specific Rt using method developed by @marlinfiggins (https://t.co/Uq7Nl2mI2R), where we observe current Rt for BA.2.12.1 of ~1.0, compared to Rt of BA.4 of ~1.2 and BA.5 of ~1.5. 7/12 https://t.co/e91i6r8uNA

  • Mashup Score: 50

    The Omicron subvariant BA.2 accounts for a large majority of the SARS-CoV-2 infection worldwide today. However, its recent descendants BA.2.12.1 and BA.4/5 have surged dramatically to become dominant in the United States and South Africa, respectively. That these novel Omicron subvariants carry additional mutations in their spike proteins raises concerns that they may further evade neutralizing…

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    • There is a notable drop in neutralization titer against BA.4 and BA.5 viruses in boosted individuals and individuals with BA.1 breakthrough infections (figure from Qian Wang, David Ho and colleagues https://t.co/7rI08qMVPC). 11/12 https://t.co/CDhudKrDxo

  • Mashup Score: 18
    Nextstrain / monkeypox - 2 year(s) ago

    Genomic epidemiology of monkeypox virus

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    • Thanks to data sharing by @irj_pt, @unibw_m, @CDCgov, @KU_Leuven, we can see relationships among sequenced viruses at https://t.co/EgWDVnoSrh, where viruses from the current outbreak (in yellow) are nearly identical to one another suggesting a single introduction event. 3/9 https://t.co/5YucFQManT

  • Mashup Score: 11

    Joana Isidro1, Vítor Borges1, Miguel Pinto1, Rita Ferreira1, Daniel Sobral1, Alexandra Nunes1, João Dourado Santos1, Verónica Mixão1, Daniela Santos2, Silvia Duarte2, Luís Vieira2, Maria José Borrego3, Sofia Núncio4, Ana Pelerito4, Rita Cordeiro4, João Paulo Gomes1,*. 1 Genomics and Bioinformatics Unit, Department of Infectious Diseases, National Institute of Health Doutor Ricardo Jorge (INSA),…

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    • That said, there appear to be two shared mutations in two of the genomes from Portugal that suggest the potential for some degree of resolution of transmission linkages by genomic sequencing. For more details see @isidro_joana et al https://t.co/rZTGL0POBv. 7/9 https://t.co/wQel07eGnM

  • Mashup Score: 24

    This topic is for discussion of the 2022 monkeypox outbreak genomes and phylogenies

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    • Additionally, genomic data may help resolve origins of the monkeypox outbreak. Of interest are the ~47 mutations on the branch connecting previously observed viruses from 2018 to viruses observed in 2022, but there are still many questions here. 8/9 https://t.co/dQKiBu3Vuu

  • Mashup Score: 206

    SARS-CoV-2 phylogeny

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    • With BA.2's global dominance we expect further evolution to occur on top of BA.2. @PangoNetwork now classifies 21 sublineages of BA.2. However, most of these sublineages are characterized by mutations thought to have little impact (figure from https://t.co/2mHlFTQqSy). 5/17 https://t.co/U17s1pciR4