Tag: COVID-19 transmission

COVID deemed endemic, death rate drops

Editor's Note COVID-19 can be considered endemic worldwide, The Centers for Disease Control and Prevention (CDC) announced on the heels of reporting a drop in overall US death rates from the disease. CDC’s classification of the disease as endemic “means, essentially, that COVID is here to stay in predictable ways,”…

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By: Matt Danford
August 13, 2024
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Social distancing outperforms closing borders in preventing virus spread

Editor’s Note Social distancing was more effective than closing borders in preventing the spread of COVID-19, according to a study published in Cell December 14. Conducted by Scripps Research, the study examined the efficacy of various mandates—including stay-at-home measures, social distancing, and travel restrictions— in preventing local and regional transmission…

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By: Brita Belli
December 15, 2023
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COVID-19 vaccinations prevented 20M deaths in their first year

Editor's Note Almost two thirds of the world’s population has received at least one dose of a COVID-19 vaccine since December 2020. Vaccinations prevented 19.8 million out of a potential 31.4 million deaths related to COVID-19 worldwide in their first year, according to September 2022 findings published in The Lancet…

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By: Brita Belli
October 24, 2023
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Postpandemic applicability, usage of UV disinfection technology

The COVID-19 pandemic highlighted the importance of proper disinfection to manage and contain the spread of the disease. During the pandemic, ultraviolet (UV) disinfection technology played an important role in safeguarding public health and combatting COVID-19. Various uses of UV technology have become available on the market and can be…

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By: Tra Vu, PhD
September 26, 2023
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CDC data show COVID-19 indicators on the rise

Editor's Note Centers for Disease Control and Prevention (CDC) data is showing an uptick in COVID-19 positivity rates and emergency department visits after months of decline, according to the July 24 US News and World Report. Cases of the Omicron subvariant EG.5, which was recently added to the World Health…

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By: Judy Mathias
July 25, 2023
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CDC: Update on COVID-19 transmission at 2023 EIS Conference

Editor's Note The Centers for Disease Control and Prevention (CDC), on May 26, released an update on the spread of COVID-19 at its 2023 Epidemic Intelligence Service (EIS) Conference in Atlanta in April. The conference was attended by some 1,800 in-person attendees. A rapid assessment team was gathered to survey…

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By: Judy Mathias
May 30, 2023
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Study: Waning of COVID-19 vaccine-induced immunity

Editor's Note This Italian review and meta-analysis finds that the effectiveness of COVID-19 vaccines against Omicron and Delta variants rapidly wans over time. Of 799 original articles, 149 reviews, and 35 preprints identified, 40 studies were included in the analysis. Among the findings: Vaccine effectiveness of a primary vaccination cycle…

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By: Judy Mathias
May 10, 2023
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Researchers affirm airborne spread of COVID-19

Editor's Note In this study, Canadian researchers succeeded in isolating infectious particles of the COVID-19 virus from air samples collected from hospital rooms. A total of 30 samples were collected from 10 different rooms of patients with COVID-19 and then frozen in a biobank for 14 months. The researchers were…

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By: Judy Mathias
April 20, 2023
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Two case studies of cross-placental COVID-19 transmission, causing brain injury

Editor's Note Researchers at UHealth—the University of Miami Health System and the University of Miami Miller School of Medicine—show that, in two cases, COVID-19 breached the placenta and caused brain injury in the newborn. Both infants tested negative for the virus at birth, but had significantly elevated COVID-19 antibodies in…

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By: Judy Mathias
April 6, 2023
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New Omicron subvariant emerging

Editor's Note The World Health Organization on March 30 reported that although there is an overall downward trend in COVID-19 cases and deaths, 21 countries are reporting increases in cases of Omicron subvariant XBB.1.16, particularly India. XBB.1.16 has a similar profile to XBB.1.5, which is the dominant strain in the…

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By: Judy Mathias
April 3, 2023
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