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Lucas, C., Vogels, C. B. F., Yildirim, I., Rothman, J. E., Lu, P., Monteiro, V., Gelhausen, J. R., Campbell, M., Silva, J., Tabachikova, A., Peña-Hernandez, M. A., Muenker, M. C., Breban, M. I., Fauver, J. R., Mohanty, S., Huang, J., Shaw, A. C., Ko, A. I., Omer, S. B., … Iwasaki, A. (2021). Impact of circulating SARS-CoV-2 variants on mRNA vaccine-induced immunity. Nature, 1–9. https://doi.org/10.1038/s41586-021-04085-y

Pisani, J. (2021, July 9). Amazon to end testing for COVID-19 at warehouses this month. King5.Com. https://www.king5.com/article/news/health/coronavirus/amazon-to-stop-covid-testing/507-63caa9ee-3a30-49af-b2cd-1851637f1807

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Pearson, C. (2021, September 27). New Study Finds A Huge Perk Of Getting Vaccinated After Having COVID-19. HuffPost UK. https://www.huffpost.com/entry/study-covid-vaccine_l_6151dbbde4b098483a792e18

https://twitter.com/GYamey/status/1453132196416524292?s=20&t=REKS2qu5Ti7lby2jmu6Imw

Willsher, K. (2021, October 11). French study of over 22m people finds vaccines cut severe Covid risk by 90%. The Guardian. https://www.theguardian.com/world/2021/oct/11/french-study-vaccines-cut-covid-deaths

Dolgin, E. (2021). Omicron is supercharging the COVID vaccine booster debate. Nature. https://doi.org/10.1038/d41586-021-03592-2

Johnson, S. (2021, June 7). Spat at, abused, attacked: Healthcare staff face rising violence during Covid. The Guardian. http://www.theguardian.com/global-development/2021/jun/07/spat-at-abused-attacked-healthcare-staff-face-rising-violence-during-covid

Chrisafis, A. (2021, July 12). France mandates Covid health pass for restaurants and cafés. The Guardian. http://www.theguardian.com/world/2021/jul/12/france-mandates-covid-health-pass-for-restaurants-and-cafes

American Academy of Pediatrics urges FDA to approve COVID vaccines for children under 12. (2021, September 13). PBS NewsHour. https://www.pbs.org/newshour/show/american-academy-of-pediatrics-urges-fda-to-approve-covid-vaccines-for-children-under-12

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Davis, N. (2021, October 18). Valneva Covid vaccine could be as effective as Oxford jab, study suggests. The Guardian. https://www.theguardian.com/society/2021/oct/18/valneva-covid-vaccine-could-be-as-effective-as-oxford-jab-study-suggests

Lauring, A. S., Tenforde, M. W., Chappell, J. D., Gaglani, M., Ginde, A. A., McNeal, T., Ghamande, S., Douin, D. J., Talbot, H. K., Casey, J. D., Mohr, N. M., Zepeski, A., Shapiro, N. I., Gibbs, K. W., Files, D. C., Hager, D. N., Shehu, A., Prekker, M. E., Erickson, H. L., … Self, W. H. (2022). Clinical severity of, and effectiveness of mRNA vaccines against, covid-19 from omicron, delta, and alpha SARS-CoV-2 variants in the United States: Prospective observational study. BMJ, 376, e069761. https://doi.org/10.1136/bmj-2021-069761

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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

Sandra Ciesek. (2021, December 8). Unsere ersten Daten zur Neutralisation von Omicron versus Delta sind fertig: 2x Biontech, 2x Moderna, 1xAZ/1x Biontech nach 6 Monaten 0% Neutralisation bei Omicron, auch 3x Biontech 3 Monate nach Booster nur 25% NT versus 95% bei Delta. Bis zu 37fache Reduktion Delta vs. Omicron https://t.co/w0gHww26sg [Tweet]. @CiesekSandra. https://twitter.com/CiesekSandra/status/1468465347519041539

Lipsitch, M., Krammer, F., Regev-Yochay, G., Lustig, Y., & Balicer, R. D. (2021). SARS-CoV-2 breakthrough infections in vaccinated individuals: Measurement, causes and impact. Nature Reviews Immunology, 1–9. https://doi.org/10.1038/s41577-021-00662-4

ReconfigBehSci. (2021, November 26). vaccine equity has been a disaster, but I do wonder whether the exclusive focus on donations does the US/EU comparison justice. The EU allowed the export of huge numbers of EU produced doses at a time when the US did not (and EU itself was struggling to meet demand). [Tweet]. @SciBeh. https://twitter.com/SciBeh/status/1464255575416520749

ReconfigBehSci. (2021, December 13). RT @DrEricDing: 11) Omicron is doubling every 1.6 days in UK 🇬🇧 according to @DrWilliamKu’s figure. That’s way faster growth than in South… [Tweet]. @SciBeh. https://twitter.com/SciBeh/status/1470451594378502154

CNN, I. K. (n.d.). Vaccine inequity and hesitancy made the Omicron variant more likely, scientists say. CNN. Retrieved December 23, 2021, from https://www.cnn.com/2021/11/28/world/omicron-coronavirus-variant-vaccine-inequity-intl-cmd/index.html

ReconfigBehSci. (2021, December 22). RT @chrischirp: Positivity rising steeply too—There are definitely many more people we aren’t catching https://t.co/4xDPwYQtrx [Tweet]. @SciBeh. https://twitter.com/SciBeh/status/1473695678610214927

ReconfigBehSci. (2021, November 26). RT @HZiauddeen: 🧵 COVID-19 & B.1.1.529: A chance for govt & others to change their mind and their approach? While we are still gathering d… [Tweet]. @SciBeh. https://twitter.com/SciBeh/status/1464200877888184324

Perspective | Even the best-case scenario with omicron will still be bad. (n.d.). Washington Post. Retrieved December 23, 2021, from https://www.washingtonpost.com/outlook/2021/12/21/omicron-mild-cases-numbers/

Nature Portfolio. (2021, October 15). A study in @NatureMedicine indicates that the effectiveness of the Pfizer/BioNTech and Oxford-AstraZeneca vaccines against SARS-CoV-2 infections with symptoms or high viral burden is reduced with the Delta variant compared to the Alpha variant. Https://go.nature.com/3vecpoj https://t.co/XQdnMYguFz [Tweet]. @NaturePortfolio. https://twitter.com/NaturePortfolio/status/1449145321188216836

Prof. Shane Crotty. (2021, October 19). 1/ The regular vaccines give great booster responses against Delta and other variants This was first shown by Moderna, with “original recipe” vaccine booster, compare to Beta booster. Https://nature.com/articles/s41591-021-01527-y https://t.co/g7YDwGIURP [Tweet]. @profshanecrotty. https://twitter.com/profshanecrotty/status/1450489709050744833

🇺🇦 Meaghan Kall. (2022, January 27). NEW: 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Vaccine effectiveness (symptomatic infection) data for BA.2 {Omicron’s more infectious sister} NO difference in VE between Omicron (BA.1) and BA.2 Possibly even higher VE for BA.2 but estimates overlap See full thread 🧵 from @freja_kirsebom https://t.co/bJ7uCn2cGV [Tweet]. @kallmemeg. https://twitter.com/kallmemeg/status/1486821549458001927

Shalin Naik [@shalinhnaik]. (2021, October 14). 📢The first episode of the @thejabgab http://thejabgab.com is LIVE!! 🎙 Join me and the fabulous comedians @nazeem_hussain and @calbo as they chat about the Delta variant, vaccines …. And cows? With experts @DrKGregorevic and @BedouiSammy! Search your fav platform or... Https://t.co/bo4HiRfqF6 [Tweet]. Twitter. https://twitter.com/shalinhnaik/status/1448510610837159939

Shalin Naik. (2021, October 14). 📢The first episode of the @thejabgab http://thejabgab.com is LIVE!! 🎙 Join me and the fabulous comedians @nazeem_hussain and @calbo as they chat about the Delta variant, vaccines …. And cows? With experts @DrKGregorevic and @BedouiSammy! Search your fav platform or... Https://t.co/bo4HiRfqF6 [Tweet]. @shalinhnaik. https://twitter.com/shalinhnaik/status/1448510610837159939

The Guardian. ‘We Can Prevail over Omicron. We Just Need to Use the Tools We Have’, 1 December 2021, sec. Opinion. https://www.theguardian.com/commentisfree/2021/dec/01/we-can-prevail-over-omicron-use-tools-we-have.

Pérez-Then, E., Lucas, C., Monteiro, V. S., Miric, M., Brache, V., Cochon, L., Vogels, C. B. F., Cruz, E. D. la, Jorge, A., Santos, M. D. los, Leon, P., Breban, M. I., Billig, K., Yildirim, I., Pearson, C., Downing, R., Gagnon, E., Muyombwe, A., Razeq, J., … Iwasaki, A. (2021). Immunogenicity of heterologous BNT162b2 booster in fully vaccinated individuals with CoronaVac against SARS-CoV-2 variants Delta and Omicron: The Dominican Republic Experience (p. 2021.12.27.21268459). medRxiv. https://doi.org/10.1101/2021.12.27.21268459

Levine-Tiefenbrun, M., Yelin, I., Alapi, H., Katz, R., Herzel, E., Kuint, J., Chodick, G., Gazit, S., Patalon, T., & Kishony, R. (2021). Viral loads of Delta-variant SARS-CoV-2 breakthrough infections after vaccination and booster with BNT162b2. Nature Medicine, 1–3. https://doi.org/10.1038/s41591-021-01575-4

Morris, J. (2021, August 17). Israeli data: How can efficacy vs. severe disease be strong when 60% of hospitalized are vaccinated? Covid Data Science. https://www.covid-datascience.com/post/israeli-data-how-can-efficacy-vs-severe-disease-be-strong-when-60-of-hospitalized-are-vaccinated

Scott, national medical reporter S., & Thorne, the S. R. T. L. (2021, July 5). The Delta COVID variant is spreading overseas. Here’s why experts say it’s “absolutely essential” to protect children. ABC News. https://www.abc.net.au/news/2021-07-06/children-need-covid-protection-vaccines-experts-say/100269228

Sanderson, K. (2021). COVID vaccines protect against Delta, but their effectiveness wanes. Nature. https://doi.org/10.1038/d41586-021-02261-8

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

Tao, K., Tzou, P. L., Nouhin, J., Gupta, R. K., de Oliveira, T., Kosakovsky Pond, S. L., Fera, D., & Shafer, R. W. (2021). The biological and clinical significance of emerging SARS-CoV-2 variants. Nature Reviews Genetics, 1–17. https://doi.org/10.1038/s41576-021-00408-x

Eric Topol. (2021, June 9). Despite increasing incentives, the US vaccination campaign is really struggling. Notably, the top 5 states are approaching 60% total population fully vaccinated which should provide strong protection vs the delta variant. A different story for the bottom 5 states @OurWorldInData https://t.co/boqk3Khhuc [Tweet]. @EricTopol. https://twitter.com/EricTopol/status/1402413221667954690

Carlos del Rio. (2021, April 7). U.K. variant now dominant form of COVID in US ⁦@CDCDirector⁩ As predicted B.1.1.7 is now the predominant SARS-CoV-2 strain in the US. Let’s remember it is much more transmissible and likely also more severe. Vaccines do cover it. ⁦@ajc⁩ https://t.co/Wc4oaYkxqR [Tweet]. @CarlosdelRio7. https://twitter.com/CarlosdelRio7/status/1379816377356333057

Hilda Bastian, PhD. (2021, February 6). Unofficial unnamed AstraZeneca insider says they are doing the interim analysis for the US trial of the Oxford vaccine. AstraZeneca spokesperson says 4-6 weeks till data release. Https://t.co/VUHgbHN02d One is wrong? Or they’ll release only when have FDA minimum follow-up? Https://t.co/LgjfX8AIti [Tweet]. @hildabast. https://twitter.com/hildabast/status/1357862227106095105

Joshua Weitz. (2021, April 7). The same approaches that work against SARS-CoV-2 work against variants like B.1.1.7: Mask Avoid indoor gatherings Socialize outdoors And, reinforces the need to continue to scale-up vaccine administration to all 16+. [Tweet]. @joshuasweitz. https://twitter.com/joshuasweitz/status/1379820197696180233

Pan-Hammarström lab. (2022, January 7). Our new study: Heterogeneous vaccination strategy with inactivated vaccine + mRNA booster elicits strong B and T cell response against the WT and VOC including Omicron @VirusesImmunity https://t.co/aBiN9anMBL [Tweet]. @panhammarstrom. https://twitter.com/panhammarstrom/status/1479449892410044419

(20) Prof. Christina Pagel on Twitter: “THREAD (a bit delayed) on UK & covid: TLDR: flattish cases overall are masking differences between nations, regions & age groups. And we’re still out of whack with Europe. 1/20” / Twitter. (n.d.). Retrieved October 4, 2021, from https://twitter.com/chrischirp/status/1443261013911085056

Prof. Shane Crotty. (2021, October 15). And here https://t.co/aDPrQ17AUD [Tweet]. @profshanecrotty. https://twitter.com/profshanecrotty/status/1449030846711681025

Prof. Christina Pagel. (2021, May 23). LONG THREAD on B.1.617.2 & latest PHE data covering: 1) latest tech report on B.1.617.2 (aka ‘India’ variant) 2) vaccine efficacy against B.1.617.2 3) consequences for roadmap 4) avoidability... Or not. [Tweet]. @chrischirp. https://twitter.com/chrischirp/status/1396574267349872644

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

BNO/Medriva Newsroom [@medriva]. (2021, November 26). South Africa’s health minister says, based on a small sample of Omicron cases, the majority of hospital patients are unvaccinated: ‘It indicates that the vaccines are providing protection’ [Tweet]. Twitter. https://twitter.com/medriva/status/1464327805836083201

Coronavirus (COVID-19) Infection Survey, UK: 29 October 2021, Office for National Statistics

Mia Malan. (2021, November 25). [Thread] What is the potential impact of the new B.1.1.529 #COVID19 variant? @rjlessells: 1. It’s relatively simple to detect some B.1.1.529 cases, as it’s possible to use PCR tests to do this in some cases 2. B.1.1.529 = has many mutations across different parts of the virus https://t.co/ytktqLzJUi [Tweet]. @miamalan. https://twitter.com/miamalan/status/1463846528578109444

ReconfigBehSci. (2022, January 1). RT @wanderer_jasnah: Quick glance at B.1.640.2 before anyone asks me about it: It’s basically B.1.1.7 w/a large Spike NTD deletion. I see… [Tweet]. @SciBeh. https://twitter.com/SciBeh/status/1478289563776962563

Israel said delaying rollout of 4th COVID shots amid signs Omicron less severe | The Times of Israel. (n.d.). Retrieved 29 March 2022, from https://www.timesofisrael.com/israel-said-to-delay-rollout-of-4th-covid-shots-amid-signs-omicron-less-severe/amp/

ReconfigBehSci on Twitter: ‘RT @amymaxmen: Link to the meeting: Https://t.co/3UH1R8fblN’ / Twitter. (n.d.). Retrieved 22 March 2022, from https://twitter.com/SciBeh/status/1486268859741052930

Corbevax: All About India’s First Protein Sub-Unit Covid Vaccine to be Given to 12-14 Age Group From Today. (2022, March 16). News18. https://www.news18.com/news/india/corbevax-all-about-indias-first-protein-sub-unit-covid-vaccine-to-be-given-to-12-14-age-group-from-today-4874345.html

Mar 03, M. V. B. | N. W. | C. N. | & 2022. (n.d.). Third vaccine dose boosts Omicron protection, with some waning. CIDRAP. Retrieved 7 March 2022, from https://www.cidrap.umn.edu/news-perspective/2022/03/third-vaccine-dose-boosts-omicron-protection-some-waning

Tseng, H. F., Ackerson, B. K., Luo, Y., Sy, L. S., Talarico, C. A., Tian, Y., Bruxvoort, K. J., Tubert, J. E., Florea, A., Ku, J. H., Lee, G. S., Choi, S. K., Takhar, H. S., Aragones, M., & Qian, L. (2022). Effectiveness of mRNA-1273 against SARS-CoV-2 Omicron and Delta variants. Nature Medicine, 1–1. https://doi.org/10.1038/s41591-022-01753-y

Altarawneh, H. N., Chemaitelly, H., Hasan, M. R., Ayoub, H. H., Qassim, S., AlMukdad, S., Coyle, P., Yassine, H. M., Al-Khatib, H. A., Benslimane, F. M., Al-Kanaani, Z., Al-Kuwari, E., Jeremijenko, A., Kaleeckal, A. H., Latif, A. N., Shaik, R. M., Abdul-Rahim, H. F., Nasrallah, G. K., Al-Kuwari, M. G., … Abu-Raddad, L. J. (2022). Protection against the Omicron Variant from Previous SARS-CoV-2 Infection. New England Journal of Medicine, 0(0), null. https://doi.org/10.1056/NEJMc2200133

Dr. Peter Hotez: Omicron is like a fast-moving freight train. (n.d.). MSN. Retrieved February 20, 2022, from https://www.msn.com/en-us/news/us/dr-peter-hotez-omicron-is-like-a-fast-moving-freight-train/vi-AARPfVG

Mckeever, A. (n.d.). COVID-19 variants will keep coming until everyone can access vaccines. Retrieved February 20, 2022, from https://www.nationalgeographic.com/science/article/covid-19-variants-will-keep-coming-until-everyone-can-access-vaccines

Eric Feigl-Ding. (2022, January 13). WATCH📺—Despite 97.5% of all adults in England🏴󠁧󠁢󠁥󠁮󠁧󠁿 with antibodies to #COVID19 (via vax/infection)–hospitalizations still surging. Why? Because variants like #Omicron are adapting. Need multivalent vax, plus ➡️N95 & ventilation are agnostic to variants—Key! Https://t.co/gDNRJIWojX [Tweet]. @DrEricDing. https://twitter.com/DrEricDing/status/1481732793482813443

Ali Ellebedy. (2021, December 30). We need those who are adept at #SciComm to explain that “Omicron” is sufficiently different from the original strain that was used to make the vaccine. Therefore, the definition of “fully vaccinated” will have to be updated, but that does not mean that the vaccines have failed. [Tweet]. @TheBcellArtist. https://twitter.com/TheBcellArtist/status/1476649138691444740

Living with COVID-19: How the virus could turn into the common cold, or something far worse. (2022, January 9). The Mercury News. https://www.mercurynews.com/2022/01/09/living-with-covid-19-how-the-virus-could-turn-into-the-common-cold-or-something-far-worse

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Fionna O’Leary, 🕯🇪🇺. (2022, January 18). All that herd immunity …. Covid 3 times. Balloux https://t.co/OfwRvgakK9 [Tweet]. @fascinatorfun. https://twitter.com/fascinatorfun/status/1483260151620644864

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American Medical Association (AMA). (2021, December 6). Peter Hotez, MD, PhD, on the omicron variant and Delta winter surge | COVID-19 Update for Dec. 6, 20. https://www.youtube.com/watch?v=WnfpC1_N2Mg

Pak, C. (2022, February 8). Endemic Fatalism and Why It Won’t Resolve COVID-19. Medical Humanities. https://blogs.bmj.com/medical-humanities/?p=3280

Tulio de Oliveira. (2022, February 9). As expected, Omicron BA.2 takes over in South Africa, close to 100% of the new genomes. What does it mean? Https://t.co/SAb9mGYSjN [Tweet]. @Tuliodna. https://twitter.com/Tuliodna/status/1491483399265075202

PaedsHaemDoc. (2022, January 9). Had the misfortune (via @fatemperor) to come across Dr Paul Alexander -apparently credentialed yet in single blog post demonstrates perfectly either a disconnect from rational thought or deliberate misinformation spreading of the #masspsychosis of the anti-Vax crew let’s examine https://t.co/Ctd49cb1qK [Tweet]. @dr_barrett. https://twitter.com/dr_barrett/status/1479986071832248322

Jorge A. Caballero, MD (jorgecaballero.eth). (2022, January 10). 🧵/ I just spoke with two journalists about data that shows how the U.S. healthcare system is collapsing before our eyes. The million dollar question during both interviews was, “What else could we be doing right now?” The answer: Flatten the hospitalization curve. Now. [Tweet]. @DataDrivenMD. https://twitter.com/DataDrivenMD/status/1480607009867132928

Yaneer Bar-Yam on Twitter. (n.d.). Twitter. Retrieved February 7, 2022, from https://twitter.com/yaneerbaryam/status/1474091037861761026

Barnes, O., & Alabi, L. O. (2022, January 27). UK coronavirus cases tick up 10%, symptom tracker app shows. Financial Times. https://www.ft.com/content/f9833324-7986-48c4-a96c-153049ed9b5a

Omicron’s sister variant spreads faster. So why did the one we call Omicron hit first? (2022, February 2). STAT. https://www.statnews.com/2022/02/02/omicron-sister-variant-ba2-spreads-faster/