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by the Los Angeles Times on Tuesday鈥攊s sure to unnerve people. It argues that the world is now dealing with a mutated, more contagious form of the coronavirus that causes covid-19 t
stanley quencher han the version that originated in China. But scientists we spoke with are skeptical of the papers conclusions. The paper, released on the preprint website bioRxiv on April 30, was written by researchers from the Los Alamos National Laboratory in New Mexico. For two months, according to the paper, the authors have been studying the evolution of SARS-CoV-2, the coronavirus behind covid-19. To do this, they analyzed different genetic sequence
stanley deutschland s of the virus taken from patients as the pandemic has moved across the world. Theyve largely focused on a key part of the virus that allows it to infect cells, known as the spike protein. The team noticed that samples of the original strain in Wuhan, China sometimes carried a certain mutation in the spike protein, called D614. Many of the earliest cases in Europe, the U.S. and elsewhere also carried D614. In early February, however, another form of the mutation, called G614 or D614G , began cropping up. And in almos
stanley water bottle t every region, starting with Europe, the team saw a familiar pattern in their studied samples: the G614 form of the virus would show up and quickly supplant the D614 form, sometimes in a matter of weeks. SARS-CoV-2 particles in a human patient, seen in blue. Image: Getty Images This rapid spread of the G614 version of the virus, the authors Nybo Watch Live as NASA Fires Up a New-and-Improved SLS Rocket Booster [Updated]
from the Centers for Disease Control and Prevention, an outbreak of superbug salmonella sickened hundreds of people and hospitalized dozens over the past two years. But what makes the incident especially scary is that the outbreak was transnational, having likely come from cattle in both the U.S. and Mexico. It may very well be a harbinger of even worse outbreaks to come. The first cases, according to the report, emerged in June 2018 in the U.S. These cases, found during an investigation into another, unrelated outbreak of salmonella, were caused by a strain of Salmonella Newport that is re
stanley website sistant to multiple drugs. From June 2018 to March 2019, state and local health officials documented a total of 255 cases across 32 states traced to that same strain. Of the roughly 200 cases they had concrete information on, 60 p
stanley cup eople ended up hospitalized, 10 developed a life-threaten
stanley water bottle ing blood infection, and two died the deaths involved people with other health complications, but the infections played a role . Near as the disease detectives can tell, many victims contracted their infection from eating Mexican-style soft cheese sold in Mexico. Nearly half of those with available travel information had visited Mexico in the week before they got sick, while those who reported what they ate often ate cheese processed from raw, unpasteurized milk. A sample of cheese bought in Mexico and kept by one patient tested positive for a genetically identical Salmonella strain to those found in the