"Coronaviruses include a group of RNA viruses of medical and veterinary importance, all of which are characterized by spherical, enveloped virus particles with prominent surface projections, resembling the corona of the sun. They infect various animal species, causing respiratory, gastrointestinal, cardiovascular, and neurological diseases. In humans, coronaviruses have been associated with common colds, diarrhea, and possibly multiple sclerosis. The prototypical coronaviruses include avian infectious bronchitis virus , mouse hepatitis virus , porcine transmissible gastroenteritis virus , bovine coronavirus , human coronavirus , feline infectious peritonitis virus , rat sialodacryoadenitis virus , turkey coronavirus , rabbit coronavirus , and several viruses of other animal species."
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"My friends are all broad-minded, and well educated, but we do not keep a record of our conversations. The reason for this is we are too lazy, and do not aspire to fame; to talk gives us pleasure, but …"
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