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  1. Last 7 days
  2. Sep 2021
    1. Krause, P. R., Fleming, T. R., Peto, R., Longini, I. M., Figueroa, J. P., Sterne, J. A. C., Cravioto, A., Rees, H., Higgins, J. P. T., Boutron, I., Pan, H., Gruber, M. F., Arora, N., Kazi, F., Gaspar, R., Swaminathan, S., Ryan, M. J., & Henao-Restrepo, A.-M. (2021). Considerations in boosting COVID-19 vaccine immune responses. The Lancet, 4. https://doi.org/10.1016/S0140-6736(21)02046-8

    1. Twohig, K. A., Nyberg, T., Zaidi, A., Thelwall, S., Sinnathamby, M. A., Aliabadi, S., Seaman, S. R., Harris, R. J., Hope, R., Lopez-Bernal, J., Gallagher, E., Charlett, A., Angelis, D. D., Presanis, A. M., Dabrera, G., Koshy, C., Ash, A., Wise, E., Moore, N., … Gunson, R. (2021). Hospital admission and emergency care attendance risk for SARS-CoV-2 delta (B.1.617.2) compared with alpha (B.1.1.7) variants of concern: A cohort study. The Lancet Infectious Diseases, 0(0). https://doi.org/10.1016/S1473-3099(21)00475-8

  3. Aug 2021
    1. Tim Plante, MD MHS on Twitter: “Just reported: About half of recent ICU patients with #Covid19 in #Vermont are vaccinated. Sounds like the vaccines aren’t working, right? WRONG. Vaccines are working and here’s why. But first, let’s talk a bit about unprotected sex. A thread. (Refs at the end.) 1/n https://t.co/iyQcfCDAfh” / Twitter. (n.d.). Retrieved August 27, 2021, from https://twitter.com/tbplante/status/1430222978961317896

    1. Liu, Y., Arase, N., Kishikawa, J., Hirose, M., Li, S., Tada, A., Matsuoka, S., Arakawa, A., Akamatsu, K., Ono, C., Jin, H., Kishida, K., Nakai, W., Kohyama, M., Nakagawa, A., Yamagishi, Y., Nakagami, H., Kumanogoh, A., Matsuura, Y., … Arase, H. (2021). The SARS-CoV-2 Delta variant is poised to acquire complete resistance to wild-type spike vaccines (p. 2021.08.22.457114). https://doi.org/10.1101/2021.08.22.457114

    1. Prof. Christina Pagel on Twitter: “THREAD latest on B.1.617.2 variant in England: B.1.617.2 (1st discovered in India) is now dominant in England. Here is a thread summarising latest PHE report and Sanger local data. TLDR: it is NOT good news. 1/7” / Twitter. (n.d.). Retrieved August 24, 2021, from https://twitter.com/chrischirp/status/1399333330286415876

    1. Carl T. Bergstrom. (2021, August 18). 1. There has been lots of talk about recent data from Israel that seem to suggest a decline in vaccine efficacy against severe disease due to Delta, waning protection, or both. This may have even been a motivation for Biden’s announcement that the US would be adopting boosters. [Tweet]. @CT_Bergstrom. https://twitter.com/CT_Bergstrom/status/1427767356600688646

    1. Marc Lipsitch. (2021, July 20). At the risk of boiling down too much and certainly losing some detail, one way to summarize this wonderful thread is that when we think about vaccine effectiveness, we should think of 4 key variables: 1 which vaccine, 2 age of the person, 3 how long after vax, 4 vs what outcome. [Tweet]. @mlipsitch. https://twitter.com/mlipsitch/status/1417595538632060931

    1. André Picard on Twitter: “Most of those numbers are in the column, which focuses on a) the risk of the Delta variant to children under 12 and b) the 29% of Canadians who are not fully vaccinated. Brace yourself for more COVID-19 nastiness https://t.co/V0agVYvKRx” / Twitter. (n.d.). Retrieved August 13, 2021, from https://twitter.com/picardonhealth/status/1425316861176995840

    1. Craig Spencer MD MPH. (2021, August 6). Even with Delta, the likelihood of severe illness if you’re fully immunized is still a small fraction of the likelihood for the unvaccinated. In other words, nearly every COVID-19-related death right now is preventable with vaccination. [Tweet]. @Craig_A_Spencer. https://twitter.com/Craig_A_Spencer/status/1423674337089949710

    1. Rafael Irizarry. (2021, August 8). Vaccines work in a gif update: COVID19 cases versus vaccination rates in US states through time. The Delta variant effect can be seen clearly starting in July. States with lower vaccination rates are affected much worse. Https://t.co/e0SQpa8Qg0 [Tweet]. @rafalab. https://twitter.com/rafalab/status/1424440520361787392

    1. Justin Baragona on Twitter: “There seems to be a concerted effort today by Fox’s daytime news shows to promote the vaccines to its audience. Dr. Marc Siegel says ‘the Delta variant needs to be a wake-up call to get vaccinated.’ Anchor John Roberts then directs viewers to the government vaccine website. Https://t.co/T5b21nXCfe” / Twitter. (n.d.). Retrieved August 4, 2021, from https://twitter.com/justinbaragona/status/1417178420950220811

    1. John Burn-Murdoch. (2021, May 27). NEW: B.1617.2 is fuelling a third wave in the UK, with not only cases but also hospital admissions rising. Vaccines will make this wave different to those that have come before, but it remains a concern, and one that other countries will soon face. Thread on everything we know: Https://t.co/4825qOqgrl [Tweet]. @jburnmurdoch. https://twitter.com/jburnmurdoch/status/1397995388267810818

    1. Zeke Emanuel on Twitter: “Masks are off, theaters and indoor dining are back: Life seems to be returning to normal. But the highly transmissible Delta variant is spreading quickly, & we aren’t even halfway to a fully vaccinated population. It’s time for employer vaccine mandates. Https://t.co/34UArFfHN5” / Twitter. (n.d.). Retrieved August 1, 2021, from https://twitter.com/ZekeEmanuel/status/1418266496749428737?s=20

  4. Jul 2021
    1. Elisabeth Mahase. (2021, July 26). At least 6 weeks between Pfizer vaccine doses = higher neutralising antibody levels (than a 3-4 wk interval) For those with the delta variant, antibody levels were 2.3-fold higher with the longer interval Preprint from @pitchstudy @bmjlatest https://t.co/E3yOTqNgpa [Tweet]. @emahase. https://twitter.com/emahase_/status/1419604658344112130

    1. Kraemer, M. U. G., Hill, V., Ruis, C., Dellicour, S., Bajaj, S., McCrone, J. T., Baele, G., Parag, K. V., Battle, A. L., Gutierrez, B., Jackson, B., Colquhoun, R., O’Toole, Á., Klein, B., Vespignani, A., Consortium‡, T. C.-19 G. U. (CoG-U., Volz, E., Faria, N. R., Aanensen, D., … Pybus, O. G. (2021). Spatiotemporal invasion dynamics of SARS-CoV-2 lineage B.1.1.7 emergence. Science. https://doi.org/10.1126/science.abj0113

    1. David Fisman. (2021, July 8). Fascinating new preprint on delta vs older variants in well-investigated outbreaks in China. Viral load for delta is 3 log higher, and latent period is shorter too (estimate is 4 days vs 6 days). This may explain much higher R estimates which may be due to elevated viral load [Tweet]. @DFisman. https://twitter.com/DFisman/status/1413126886570536963