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The CRISPR-Cas9 system has been shown to make effective gene edits in Human tripronuclear zygotes, as first described in a 2015 paper by Chinese scientists P. Liang and Y. Xu. The system made a successful cleavage of mutant Beta-Hemoglobin in 28 out of 54 embryos. Four out of the 28 embryos were successfully recombined using a donor template.
The history of coronaviruses is an account of the discovery of the diseases caused by coronaviruses and the diseases they cause. It starts with the first report of a new type of upper-respiratory tract disease among chickens in North Dakota, U.S., in 1931.
Sialodacryoadenitis virus (SDAV), which is a strain of the species Murine coronavirus, [143] is highly infectious coronavirus of laboratory rats, which can be transmitted between individuals by direct contact and indirectly by aerosol. Rabbit enteric coronavirus causes acute gastrointestinal disease and diarrhea in young European rabbits. [127]
The history of virology – the scientific study of viruses and the infections they cause – began in the closing years of the 19th century. Although Edward Jenner and Louis Pasteur developed the first vaccines to protect against viral infections, they did not know that viruses existed. The first evidence of the existence of viruses came from ...
A morning aerial photo taken on March 30, 2020 shows deserted streets and the Colosseum monument in Rome during the country's lockdown aimed at curbing the spread of the COVID-19 infection, caused ...
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Characteristics of zoonotic coronavirus strains MERS-CoV, SARS-CoV, SARS-CoV-2, and related diseases MERS-CoV SARS-CoV SARS-CoV-2; Disease: MERS: SARS: COVID-19: Outbreaks: 2012: 2002–2004: 2019−present: Epidemiology Date of first identified case: June 2012: November 2002: December 2019 [1] Location of first identified case: Jeddah, Saudi ...
From ancient history to the modern day, the clitoris has been discredited, dismissed and deleted -- and women's pleasure has often been left out of the conversation entirely. Now, an underground art movement led by artist Sophia Wallace is emerging across the globe to challenge the lies, question the myths and rewrite the rules around sex and the female body.