Why do they call it coronavirus?
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Coronaviruses are a type of virus. There are many different kinds, and some cause disease. A newly identified coronavirus, SARS-CoV-2, has caused a worldwide pandemic of respiratory illness, called COVID-19.
The name coronavirus comes from the Latin word corona, meaning crown or halo. Under an electron microscope, the viruses look like they are surrounded by a crown of spikes. That’s why they are also sometimes called “spike proteins.”
Coronaviruses are a type of virus. There are many different kinds, and some cause disease. A newly identified coronavirus, SARS-CoV-2, has caused a worldwide pandemic of respiratory illness, called COVID-19.
The name coronavirus is derived from the Latin word corona, meaning crown or halo. Under an electron microscope, the viruses look like they are surrounded by a crown, or halo.
The coronavirus particles (virions) are spherical and about 125 nanometers (nm) in diameter. By comparison, a human red blood cell is about 7,000 nm in diameter, and a human hair is about 80,000 nm in diameter.
The coronavirus is a family of viruses that cause respiratory illnesses in humans. These viruses are typically spread through the air, and can cause severe respiratory illness, including pneumonia, bronchitis, and even death. The name “coronavirus” comes from the Latin word for “crown,” which is what the viruses look like when viewed under a microscope. The coronavirus is a serious illness, and anyone who is sick with the virus should seek medical attention immediately.