Coronavirus images, including replication and spread. Coronaviruses cause SARS (Severe Acute Respiratory Syndrome) and MERS (Middle Eastern Respiratory Syndrome) and the newly emerging Chinese variety from Wuhan city (2019 Novel Coronavirus or 2019-nCoV, now called SARS-CoV-2, and the disease it causes is now called COVID-19). This latest one is also zoonotic, crossing from live animals to humans in the markets of China. Coronaviruses have a characteristic halo (corona) of spikes and a faceted surface.
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