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Welcome to Mostly Microbes and Infectious Diseases. David Ojcius posts newspaper and journal articles in the broad field of microbiology.

Bacteria, Bacterial colony, Microbes, Sa
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It's not just Delta -- other coronavirus variants worry scientists, also

While US health officials warn most about the #Delta variant (#B16172, first seen in India) other #coronavirus variants are also gaining ground in parts of the US, among them the #Gamma variant, also known as #P1, which spread fast to dominate in Brazil. Coronavirus variants are what keep Dr. Scott Lindquist, an epidemiologist for Washington state, up at night. "I have got to be honest -- last thing I think about before I go to bed are the variants and the first thing I think

Many Coronavirus Variants Were Already Present Before the First Known Cases Identified in China

Study finds that the progenitor (proCoV2) #coronavirus and its initial descendants arose in China, based on the earliest mutations of proCoV2 and their locations, which were traced back to occur 6-8 weeks prior to the Wuhan China outbreak. Furthermore, the science team also demonstrated that a population of strains with at least three mutational differences (alpha 1-3) from proCoV2 existed at the time of the first detection of #COVID19 cases in China. The current major varian

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