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Oct 12, 2021 · Published. October 12, 2021. COVID-19. Data. Infectious Diseases. Is it possible to know what the next six months will look like when it comes to COVID-19? Thanks to a Modeling Hub developed by nine research teams across the country—and here at Johns Hopkins—we have an idea.
- Delta Brings Devastation
- Covid-19 Becomes Leading Killer
- Vaccines Put to The Test
- Rich Nations Slow to Follow Through on Donations
- Global Vaccination Divide Grows
- The Debate Over Boosters
- Fears About New Variants Persist
By midyear, one variant—given the name delta—had quickly become the dominant strain worldwide. The variant was first identified in India, where it sent the country spiraling into one of the world’s worst outbreaksof the pandemic. Evidence has shown delta to be more than two times as contagious as the original strain first discovered in Wuhan, China...
People around the world grieved loved ones lost to COVID-19 as the disease became the fourth leading cause of death globally, writes Think Global Health, an initiative of CFR and the University of Washington. In the fall, the death toll surpassed five million people, including roughly 750,000 in the United States, the highest fatality figures in th...
More than half a dozen vaccines, mostly from China and the West, have been approved for broad usein different parts of the world. They’ve proven highly effective at protecting immunized individuals from hospitalization and death due to COVID-19, even with the spread of delta and other variants. So even amid new waves of infections, countries with r...
Only after wealthy nations made considerable progress immunizing their populations in the first half of the year did promises of donations to poorer countries start to ramp up. As of November 2021, countries had committed to donating a combined 2.74 billion doses, around 70 percent of which was promised by the United States and China. (Some countri...
By November, half of the world had received at least one vaccine dose. Yet, a wide gap emergedbetween the vaccination rates of higher-income countries and lower-income ones, exacerbated by the slow pace of donations. Across all low-income nations at that time, just 4 percent of people were at least partially vaccinated. However, some have bucked th...
The global vaccination divide has driven intense debate about when and how to administer booster shots for COVID-19. As scientists continue to study how long different vaccines provide protection, some health officials and leaders around the globe have argued that the large number of unvaccinated individuals should be prioritized for doses before v...
As the year neared to a close, fresh fears arose about the potential for new strains to take hold, including the omicron variant, which was first reported by South Africa in November. Scientists flagged omicron due to its high number of mutations, which could affect factors such as how easily it spreads and the severity of illness it causes, though...
Mar 8, 2021 · As of 1 February 2021, 13–14 months after the first description of the virus, there are >100 million subjects globally (from more than 210 countries) with confirmed SARS-CoV-2 infection based on...
- Chengdi Wang, Zhoufeng Wang, Guangyu Wang, Johnson Yiu-Nam Lau, Kang Zhang, Weimin Li
- 2021
May 13, 2021 · In all four scenarios, COVID-19 cases were projected to increase through May 2021 at the national level because of increased prevalence of the B.1.1.7 variant and decreased NPI mandates and compliance . A sharp decline in cases was projected by July 2021, with a faster decline in the high-vaccination scenarios.
- Rebecca K. Borchering, Cécile Viboud, Emily Howerton, Claire P. Smith, Shaun Truelove, Michael C. Ru...
- 2021
Daily cases in the reference scenario will rise to 408,000 by February 6, 2022 (Figure 21.2). Daily cases in the high severity of Omicron scenario will rise to 414,000 by February 6, 2022 (Figure 21.2). Daily cases in the 80% mask coverage scenario will rise to 204,000 by January 3, 2022 (Figure 21.2).
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Aug 5, 2020 · June 2021. The world has been in pandemic mode for a year and a half. The virus continues to spread at a slow burn; intermittent lockdowns are the new normal. An approved vaccine offers six...
Jul 26, 2021 · The United States is now experiencing a fourth wave of COVID-19, with very rapidly rising infections. The surge in new daily cases is driven by the Delta variant, which makes up 83% of sequenced...
