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Human coronavirus types

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    Coronaviruses are named for the crown-like spikes on their surface. There are four main sub-groupings of coronaviruses, known as alpha, beta, gamma, and delta. ; Human coronaviruses were first identified in the mid-1960s. The seven coronaviruses that can infect people are: ; Common human coronaviruses ; 1. 229E (alpha coronavirus) ; 2. NL63 (alpha coronavirus) ; 3. OC43 (beta coronavirus) ; 4. HKU1 (beta coronavirus) ; Other human coronaviruses ; 5. MERS-CoV (the beta coronavirus that causes Middle East Respiratory Syndrome, or MERS) ; 6. SARS-CoV (the beta coronavirus that causes severe acute respiratory syndrome, or SARS) ; 7. 2019 Novel Coronavirus (2019-nCoV) ; People around the world commonly get infected with human coronaviruses 229E, NL63, OC43, and HKU1. ; Sometimes coronaviruses that infect animals can evolve and make people sick and become a new human coronavirus. Three recent examples of this are 2019-nCoV, SARS-CoV, and MERS-CoV.
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    urn:sha256:57f69dbd43e00a16828602f2c19c360db66f79b4fd0563dfc5cf1cc06d34e1a7
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