A ring of light seen around the sun or moon, especially during an eclipse Topics Space define as a corona. A coronavirus is one of a number of viruses that cause diseases in mammals and birds. In humans, the viruses cause respiratory infections, including the common cold, which are typically mild, though rarer forms such as SARS, MERS and COVID-19 can be lethal. Symptoms vary in other species: in chickens, they cause an upper respiratory disease, while in cows and pigs coronaviruses cause diarrhea. There are no vaccines or antiviral drugs to prevent or treat human coronavirus infections.
Coronaviruses are zoonotic, meaning they are transmitted between animals and people. Detailed investigations found that SARS-Cove was transmitted from civet cats to humans and MERS-Cove from dromedary camels to humans. Several known coronaviruses are circulating in animals that have not yet infected humans.
Humans beat Coronavirus; actually yes, in the early days of an infection, the novel coronavirus rapidly invades human lung cells. Those lung cells come in two classes: ones that make mucus and ones with hair-like batons called cilia.
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