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TREVOR BEDFORD
After a year, omicron still driving COVID surges and worriesThe giant wave ebbed by mid-April. The virus mutated quickly into a series of sub-variants adept at evading immunity. A recent study in the...- Here’s what the pandemic has in store for the world nextThe crisis isn’t over until it’s over everywhere. The effects will continue to reverberate through wealthier nations — disrupting supply ch...
- Scientists on alert over rising cases caused by Omicron cousin BA.2Scientists are now tracking a rise in cases caused by a close cousin known as BA.2, which is starting to outcompete BA.1 in parts of Europe...
- Fast-spreading, less mild and evasive? Why Omicron puzzle has kept world on edgeUK has reported over 50% rise in weekly Covid cases while daily infections in South Africa have swelled by 75-times since the start of Nove...
- US tracking of virus variants has improved after slow startRelying on USD 1.7 billion in President Joe Biden's coronavirus relief bill, the US has been setting up a national network to better track ...
- Country by country, scientists eye beginning of an end to the COVID-19 pandemicAs the devastating Delta variant surge eases in many regions of the world, scientists are charting when, and where, COVID-19 will transitio...
- Many wondering why Covid vaccine boosters aren't tweaked to better match variantsThere's no guarantee that a delta-specific booster shot would protect any better.
- Why COVID boosters weren't tweaked to better match variantsVaccines used in the U.S. remain strongly effective against hospitalization and death from COVID-19, even after the delta variant took over...
- Emerging variants: Subtype B.1.617.2 was found in 1% of tests in January, 77% in AprilData suggests that B.1.617.2 has a 15% growth rate faster than even B.1.1.117 (the UK Kent variant). The Kent variant was predominant in th...
- A new COVID-19 challenge: Mutations rise along with casesThe coronavirus is becoming more genetically diverse, and health officials say the high rate of new cases is the main reason. Each new infe...
- Pfizer, Moderna testing their vaccines against UK coronavirus strain"Based on the data to date, we expect that the Moderna vaccine-induced immunity would be protective against the variants recently described...
- EXPLAINER: Are new coronavirus strains cause for concern?Viruses naturally evolve as they move through the population, some more than others. It's one reason we need a fresh flu shot each year. Ne...
- NY death toll passes 10,000; new hot spots slow to emergeThe brunt of the disease has been felt most heavily in New York, Italy, France, Spain and the United Kingdom, but grim projections of a vir...
- Eerily on the mark, a gene detective's coronavirus findings raise hope and fear in equal measureTrevor Bedford started analyzing Covid genomes from China as soon as they went public.
- Ebola virus evolved at normal rates during epidemic: StudyResearchers led by Wu-Chun Cao sequenced 175 Ebola virus genomes from people who were infected with the virus, including some who died.
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