Incidence of Omicron: One-in-five Canadians report COVID-19 infection in their household since Dec. 1. (2022, January 31). Angus Reid Institute. https://angusreid.org/omicron-incidence-restrictions/

Torjesen, I. (2022). Covid-19: Peak of viral shedding is later with omicron variant, Japanese data suggest. BMJ, 376, o89. https://doi.org/10.1136/bmj.o89

Tayag, Y. (2022, January 31). What causes long Covid? Scientists are zeroing in on the answer. Vox. https://www.vox.com/22906853/omicron-long-covid-vaccinated-symptoms-cause

Mackay, A. I. M. & PhD. (2022, January 29). Thank goodness we did all the work. Virology Down Under. https://virologydownunder.com/thank-goodness-we-did-all-the-work/

Scribner, H. (2022, January 29). A new COVID-19 variant surge ‘will happen again,’ experts say. Deseret News. https://www.deseret.com/coronavirus/2022/1/29/22904290/new-covid-19-variant-surge-next-major-coronavirus-mutation

Abelson, R., & Jewett, C. (2022, January 29). When Omicron Isn’t So Mild. The New York Times. https://www.nytimes.com/2022/01/29/health/omicron-chronic-illness.html

Tom Wenseleers. (2022, January 30). Seems that the second Omicron subvariant BA.2 may soon be about to cause cases to start rising again in South Africa... Or at least to stop the decline in new infections. Shows how fast immunity wanes & evolution can catch up. Https://t.co/3y4xqPgZ0L [Tweet]. @TWenseleers. https://twitter.com/TWenseleers/status/1487919837670219781

Carreño, Juan Manuel, Hala Alshammary, Johnstone Tcheou, Gagandeep Singh, Ariel Raskin, Hisaaki Kawabata, Levy Sominsky, et al. ‘Activity of Convalescent and Vaccine Serum against SARS-CoV-2 Omicron’. Nature, 31 December 2021, 1–8. https://doi.org/10.1038/s41586-022-04399-5.

Michael Wagner. (2022, January 26). Omicron wave and its consequences.... Https://t.co/jNCYe2pa6k [Tweet]. @MichiWagner4. https://twitter.com/MichiWagner4/status/1486400536635129859

Pajon, R., Doria-Rose, N. A., Shen, X., Schmidt, S. D., O’Dell, S., McDanal, C., Feng, W., Tong, J., Eaton, A., Maglinao, M., Tang, H., Manning, K. E., Edara, V.-V., Lai, L., Ellis, M., Moore, K. M., Floyd, K., Foster, S. L., Posavad, C. M., … Montefiori, D. C. (2022). SARS-CoV-2 Omicron Variant Neutralization after mRNA-1273 Booster Vaccination. New England Journal of Medicine, 0(0), null. https://doi.org/10.1056/NEJMc2119912

Early data indicate vaccines still protect against Omicron’s sister variant, BA.2. (2022, January 28). STAT. https://www.statnews.com/2022/01/28/early-data-indicate-vaccines-still-protect-against-omicrons-sister-variant-ba-2/

Taylor, L. (2022). Covid-19: CoronaVac immunity is strongest after boosting with a different vaccine. BMJ, 376, o210. https://doi.org/10.1136/bmj.o210

Infectious Diseases. (2022, January 26). In France, a recent rise in hospitalizations raises the concern that BA.2 may not just be the harmless wake of BA.1’s powerboat Yellow line—Hospital admission Black line—Death in hospital Red line—ICU admission [Tweet]. @InfectiousDz. https://twitter.com/InfectiousDz/status/1486306246823391237

Wise, J. (2022). Covid-19: One in 23 people in England had infection in early January. BMJ, 376, o222. https://doi.org/10.1136/bmj.o222

Elliott, P., Eales, O., Bodinier, B., Tang, D., Wang, H., Jonnerby, J., Haw, D., Elliott, J., Whitaker, M., Walters, C., Atchison, C., Diggle, P., Page, A., Trotter, A., Ashby, D., Barclay, W., Taylor, G., Ward, H., Darzi, A., … Donnelly, C. (2022). Post-peak dynamics of a national Omicron SARS-CoV-2 epidemic during January 2022 [Working Paper]. http://spiral.imperial.ac.uk/handle/10044/1/93887

Mike Honey 💉💉💉. (2022, January 22). Here’s the latest variant picture for BA.2 (Omicron). Globally it has been far less common than it’s sibling BA.1 lineage. The frequency of BA.2 is rising rapidly in several countries, notably India, Denmark & Singapore. 🧵 https://t.co/nE926hn9ws [Tweet]. @MikeHoney. https://twitter.com/Mike_Honey_/status/1484707779327950855

Kozlov, M. (2022). How does Omicron spread so fast? A high viral load isn’t the answer. Nature. https://doi.org/10.1038/d41586-022-00129-z

“Endemic” Covid? The pandemic will only be over when the world is jabbed. (2022, January 15). Inews.Co.Uk. https://inews.co.uk/news/politics/endemic-covid-the-pandemic-will-only-be-over-when-the-world-is-jabbed-1402691

Hirose, R., Itoh, Y., Ikegaya, H., Miyazaki, H., Watanabe, N., Yoshida, T., Bandou, R., Daidoji, T., & Nakaya, T. (2022). Differences in environmental stability among SARS-CoV-2 variants of concern: Omicron has higher stability [Preprint]. Microbiology. https://doi.org/10.1101/2022.01.18.476607

Dave McNally. (2022, January 23). For the BA.2 watchers, looks like it doubling roughly every 4 days in the UK at the moment. Would make it the dominant strain around about February 14th. Maybe it is time to move away from the Greek alphabet and move onto their Gods instead. Eros variant? Https://t.co/G6mR5DUkz8 [Tweet]. @OliasDave. https://twitter.com/OliasDave/status/1485048710623076355

(((Howard Forman))). (2022, January 24). NYC update Positive rate 6.6%. Cases fewest since 12/13. Hospital census lowest since 1/1/2022. Hospital admits lowest since 12/22/2021. All indicators (except deaths) declining rapidly, but still well above pre-Omicron levels. Expect more swift progress this week. Https://t.co/IhKlwEEkXp [Tweet]. @thehowie. https://twitter.com/thehowie/status/1485719209359421452

Backed By Science: Here’s How We Can Eliminate COVID-19 - Health Policy Watch. (2022, January 23). https://healthpolicy-watch.news/93258-2/

Elliott, L., & editor, L. E. E. (2022, January 24). Omicron pushes UK business growth to 11-month low. The Guardian. https://www.theguardian.com/business/2022/jan/24/uk-business-growth-omicron-covid-variant-january

Prof. Gavin Yamey MD MPH. (2022, January 10). Yes, Neoliberal John Snow wins the Internet today 👏 H/T @gregggonsalves Reminds me of this…. Https://t.co/zt9tINBxal [Tweet]. @GYamey. https://twitter.com/GYamey/status/1480527550531186696

Mrigank Shail, MD. (2022, January 11). Update on Omicron by Dr @mvankerkhove from @WHO’s Q&A https://t.co/NqCOvs59Tl [Tweet]. @mrigankshail. https://twitter.com/mrigankshail/status/1481006646826577925

Prof. Jose-Luis Jimenez. (2022, January 14). The rise of Omicron Translated from @numeroteca https://t.co/S7HYcEnuQn [Tweet]. @jljcolorado. https://twitter.com/jljcolorado/status/1481799620502061056

Davis, N., & correspondent, N. D. S. (2022, January 21). Covid reinfection: How likely are you to catch virus multiple times? The Guardian. https://www.theguardian.com/world/2022/jan/21/covid-reinfection-how-likely-are-you-to-catch-virus-multiple-times

Tom Peacock. (2022, January 19). As its been getting increasing attention recently, I’m going to write a short thread on what we currently know about BA.2. -What is BA.2? -What is BA.2 doing currently? -Should we be concerned about it? [Tweet]. @PeacockFlu. https://twitter.com/PeacockFlu/status/1483768659420094464

Edwards, E. (n.d.). Nearly 1 million pediatric Covid cases reported last week. Retrieved January 21, 2022, from https://www.nbcnews.com/health/health-news/nearly-1-million-pediatric-covid-cases-reported-last-week-rcna12631

Cornelius Roemer. (2021, December 22). @mccarthy_kr I took a look at all these NY sequences. I don’t think these point mutations S:681H are real. Why? Because they appear all over the Omicron diversity. Some sequences have S:346K, some S:701V, most miss S679K, a few have it. That’s the signature of contamination/co-infection. Https://t.co/DcJD4q44EM [Tweet]. @CorneliusRoemer. https://twitter.com/CorneliusRoemer/status/1473507369455923203

How Long Are You Actually Immune for After Recovering From COVID-19? (2022, January 19). Lifehacker Australia. https://www.lifehacker.com.au/2022/01/covid-19-immunity-explained/

Prof. Christina Pagel. (2022, January 20). This would be an astonishing percentage if @trvrb is right that only 1 in 4 or so cases detected in US. https://t.co/nyZuveidr5 [Tweet]. @chrischirp. https://twitter.com/chrischirp/status/1484119391453204484

Nicholas, J., & Evershed, N. (2022, January 21). Australia has had its deadliest day yet of the pandemic – here’s what we know about who is dying. The Guardian. https://www.theguardian.com/australia-news/datablog/2022/jan/21/australia-has-had-its-deadliest-day-yet-covid-omicron-heres-what-we-know-about-who-is-dying

Tong-Hyung, K. (n.d.). South Korea gets first supply of Pfizer’s COVID-19 pills. Retrieved January 20, 2022, from https://medicalxpress.com/news/2022-01-south-korea-pfizer-covid-pills.html

Nast, C. (2022, January 15). Do the Omicron Numbers Mean What We Think They Mean? The New Yorker. https://www.newyorker.com/magazine/2022/01/24/do-the-omicron-numbers-mean-what-we-think-they-mean

the prasad, myocarditis up-player. (2022, January 18). No RCTs necessary to slay all you myocarditis downplayers https://t.co/tmGE6GwwJU [Tweet]. @VpwndF. https://twitter.com/VpwndF/status/1483514263750729733

Halliday, J., & correspondent, J. H. N. of E. (2022, January 17). ‘Christmas was awful’: On the Omicron frontline at the Royal Preston hospital. The Guardian. https://www.theguardian.com/world/2022/jan/17/christmas-was-awful-on-the-omicron-frontline-at-the-royal-preston-hospital

Halliday, J., & correspondent, J. H. N. of E. (2022, January 17). ‘Christmas was awful’: On the Omicron frontline at the Royal Preston hospital. The Guardian. https://www.theguardian.com/world/2022/jan/17/christmas-was-awful-on-the-omicron-frontline-at-the-royal-preston-hospital

James 💙 Neill - 😷 🇪🇺🇮🇪🇬🇧🔶. (2022, January 4). I hate it when I have to keep increasing the y-axis... #Omicron is #NotMild #LongCovidKids #SpotCovid https://t.co/rRBQveLqFa [Tweet]. @jneill. https://twitter.com/jneill/status/1478514263882932235

Scientists try to pinpoint why rapid Covid tests are missing some cases. (2022, January 6). STAT. https://www.statnews.com/2022/01/06/scientists-try-to-pinpoint-why-rapid-covid-tests-are-missing-cases/

Kirby, J. (2021, December 23). Omicron collides with a struggling global vaccination campaign. Vox. https://www.vox.com/22846774/omicron-global-vaccines-covronavirus-covid-19

HKUMed finds Omicron SARS-CoV-2 can infect faster and better than Delta in human bronchus but with less severe infection in lung. (n.d.). Retrieved January 16, 2022, from https://www.med.hku.hk/en/news/press/20211215-omicron-sars-cov-2-infection?utm_medium=social&utm_source=twitter&utm_campaign=press_release

TheDenmarkPost. (2022, January 1). Corona In Denmark: Where Omikron’s Wall Is Already There | News Headlines Denmark | The Denmark Post. https://thedenmarkpost.com/corona-in-denmark-where-omikrons-wall-is-already-there-news-headlines-denmark/

Yong, E. (2021, December 16). America Is Not Ready for Omicron. The Atlantic. https://www.theatlantic.com/health/archive/2021/12/america-omicron-variant-surge-booster/621027/

CNN, B. M. H. (n.d.). Holiday travel heats up as the Omicron situation unfolds. CNN. Retrieved January 16, 2022, from https://www.cnn.com/travel/article/holiday-travel-omicron-2021/index.html

Siddiqui, T. R., Virginia Pietromarchi,Usaid. (n.d.). UK PM Johnson rules out new COVID curbs before Christmas. Retrieved January 16, 2022, from https://www.aljazeera.com/news/2021/12/21/omicron-now-dominant-in-the-us-as-who-sounds-alarm-live

Connolly, K. (2021, December 28). German court rules disabled people must be protected in Covid triage cases. The Guardian. https://www.theguardian.com/world/2021/dec/28/german-court-disabled-people-covid-triage

Tom Peacock. (2022, January 3). Lots of chat about B.1.640.2 in the last few days—Just a few points to keep in mind: - B.1.640.2 actually predates Omicron—In all that time there are exactly... 20 sequences (compared to the >120k Omis in less time) Def not one worth worrying about too much at the mo... [Tweet]. @PeacockFlu. https://twitter.com/PeacockFlu/status/1478118173903839237

Prof. Debby Bogaert 💙. (2021, December 20). @chrischirp NL is slightly behind the UK re #omicron and based lockdown on a.o. This model (source @MarionKoopmans). Despite uncertainty the ‘continue as is’ effect on ICU beds occupied (red) is chilling. Green model is with lockdown after and blue is before Christmas. Decisiveness matters! Https://t.co/2IODZGnNJ6 [Tweet]. @DebbyBogaert. https://twitter.com/DebbyBogaert/status/1472845880411758592

Covid’s evolution: ‘With each passing wave, we’ve seen greater transmissibility.’ (n.d.). MSN. Retrieved January 15, 2022, from https://www.msn.com/en-us/news/us/covid-s-evolution-with-each-passing-wave-we-ve-seen-greater-transmissibility/vi-AARYwCn

Natalie E. Dean, PhD. (2022, January 2). Interesting. From this afternoon in @nytimes: Https://nytimes.com/2022/01/01/us/omicron-covid-holidays-surge-testing.html https://t.co/qCCkjXKS2K [Tweet]. @nataliexdean. https://twitter.com/nataliexdean/status/1477487783992254464

Chappell, B. (2022, January 13). Quebec’s “unvaxxed tax” has people rushing to get vaccinated. NPR. https://www.npr.org/2022/01/13/1072775645/quebec-covid-19-unvaccinated-tax

DrPH, M. D. H., M. D. (2022, January 11). The Folly of School Openings as a Zero-Sum Game. The American Prospect. https://prospect.org/api/content/4a1fc36e-7263-11ec-9e7d-12f1225286c6/

Eric Topol. (2022, January 14). Much less loss of smell and taste with Omicron, but more sore throat than with Delta https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1046623/Technical-Briefing-34-14January2022.pdf @UKHSA symptom data from ~175,000 Omicron and ~88,000 Delta cases https://t.co/DIGRGkoXa9 [Tweet]. @EricTopol. https://twitter.com/EricTopol/status/1482029245580808192

Devlin, H., Davis, N., & correspondents, N. D. S. (2022, January 14). Expect another Omicron wave in early summer, Sage says. The Guardian. https://www.theguardian.com/world/2022/jan/14/expect-another-covid-omicron-wave-in-early-summer-sage-says

O’donnell, C., & Aboulenein, A. (2021, December 30). COVID-19 hospitalization surge among U.S. children spurs new Omicron concerns. Reuters. https://www.reuters.com/world/us/covid-19-hospitalization-surge-among-us-children-spurs-new-omicron-concerns-2021-12-30/

Shematologist, MD. (2022, January 13). In medicine this is what we call a conflict of interest. Https://t.co/DNk0pDdz6Y [Tweet]. @acweyand. https://twitter.com/acweyand/status/1481480271254138880

Helen Branswell. (2022, January 11). 1. #Omicron’s takeover was stunningly rapid and is now nearly complete, at least in the U.S. The latest “Nowcast” from @CDCgov (which uses recent data to model what’s happen now) suggests most of what is circulating here now is omicron. Https://t.co/6w3e8Ut5NW [Tweet]. @HelenBranswell. https://twitter.com/HelenBranswell/status/1480970453313277954

Jennifer Cohn ✍🏻 📢. (2022, January 11). This chart says it all. If u got double vaccinated early on & are not yet boosted, ur effectively unvaccinated against Omicron infection. Thus, many adults & teens are effectively unvaccinated against infection. Kids got vaccinated recently & thus may be in a safer position. 1/ [Tweet]. @jennycohn1. https://twitter.com/jennycohn1/status/1481034404260581377

Nash, D. (n.d.). The CDC Got Lost Trying to Follow the Science. Retrieved January 14, 2022, from https://www.barrons.com/articles/cdc-guidance-covid-isolation-pandemic-51641847943

NSW records 22 deaths, 91,928 COVID-19 cases as rapid tests added to daily infection tallies. (2022, January 12). ABC News. https://www.abc.net.au/news/2022-01-13/nsw-records-22-deaths-and-91928-covid-cases/100753504

Brian Wasik. (2022, January 13). A week later and NY State data still showing an extremely high hospitalization VE in the face of Omicron. Https://t.co/6tWPqyamoZ [Tweet]. @BrianRWasik. https://twitter.com/BrianRWasik/status/1481697336019537921

Active epidemiological investigation on SARS-CoV-2 infection caused by Omicron variant (Pango lineage B.1.1.529) in Japan: Preliminary report on infectious period. (n.d.). Retrieved January 14, 2022, from https://www.niid.go.jp/niid/en/2019-ncov-e/10884-covid19-66-en.html

Sample, I., & editor, I. S. S. (2022, January 13). Covid isolation to be cut to five full days in England, says Sajid Javid. The Guardian. https://www.theguardian.com/world/2022/jan/13/covid-isolation-to-be-cut-to-five-full-days-in-england-says-sajid-javid

Stephen Reicher. (2022, January 13). Following evidence is that peak infectivity with Omicron comes 3-6 days after symptoms emerge (https://niid.go.jp/niid/en/2019-ncov-e/10884-covid19-66-en.html), the isolation period is cut to 5 days. How is this “following the science” https://t.co/XRf0pbgiHG [Tweet]. @ReicherStephen. https://twitter.com/ReicherStephen/status/1481652386993041415

Dolgin, E. (2022). Omicron thwarts some of the world’s most-used COVID vaccines. Nature. https://doi.org/10.1038/d41586-022-00079-6

Omicron Inevitability? 55% say they’ll be infected regardless of precautions; two-in-five would end all restrictions. (2022, January 13). Angus Reid Institute. https://angusreid.org/omicron-covid-19-inevitable-back-to-school/

Zuo, F., Abolhassani, H., Du, L., Piralla, A., Bertoglio, F., Campos-Mata, L. de, Wan, H., Schubert, M., Wang, Y., Sun, R., Cassaniti, I., Vlachiotis, S., Kumagai-Braesch, M., Andréll, J., Zhang, Z., Xue, Y., Wenzel, E. V., Calzolai, L., Varani, L., … Pan-Hammarström, Q. (2022). Heterologous immunization with inactivated vaccine followed by mRNA booster elicits strong humoral and cellular immune responses against the SARS-CoV-2 Omicron variant (p. 2022.01.04.22268755). https://doi.org/10.1101/2022.01.04.22268755

Cutler, S. (2022, January 13). Cutting the Covid isolation period to five days is foolhardy and dangerous. The Guardian. https://www.theguardian.com/commentisfree/2022/jan/13/cutting-covid-isolation-period-five-days-foolhardy-dangerous

Lapid, N. (2022, January 4). Covid Science: Virus leaves antibodies that may attack healthy tissues. Reuters. https://www.reuters.com/business/healthcare-pharmaceuticals/virus-leaves-antibodies-that-may-attack-healthy-tissues-b-cell-antibodies-2022-01-03/

•. (n.d.). NYC ER Doc Breaks Down How Omicron Affects the Boosted, Vaxxed and Unvaccinated. NBC New York. Retrieved January 13, 2022, from https://www.nbcnewyork.com/news/coronavirus/nyc-er-doc-breaks-down-how-omicron-affects-the-boosted-vaxxed-and-unvaccinated/3468742/

Geddes, L., & correspondent, L. G. S. (2022, January 11). Will Covid-19 become less dangerous as it evolves? The Guardian. https://www.theguardian.com/world/2022/jan/11/will-covid-19-become-less-dangerous-as-it-evolves