In photos: Up-close with the coronavirus Photogallery

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The virus is believed to have originated late last year in a food market in the Chinese city of Wuhan that was illegally selling wildlife. Health experts think it may have originated in bats and then passed to humans, possibly via another animal species.

01 / 29

In photos: Up-close with the coronavirus

A computer image created by Nexu Science Communication together with Trinity College in Dublin, shows a model structurally representative of a betacoronavirus which is the type of virus linked to COVID-19, better known as the coronavirus linked to the Wuhan outbreak, shared with Reuters. (Reuters)

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02 / 29

Colorized scanning electron micrograph of an apoptotic cell (greenish brown) heavily infected with SARS-COV-2 virus particles (pink), also known as novel coronavirus, isolated from a patient sample. (Reuters)

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03 / 29

An undated transmission electron microscope image shows SARS-CoV-2, also known as novel coronavirus, the virus that causes COVID-19, isolated from a patient in the US, emerging from the surface of cells cultured in the lab. (Reuters)

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04 / 29

An undated transmission electron micrograph of SARS-CoV-2 virus particles, also known as novel coronavirus, the virus that causes COVID-19, isolated from a patient. (Reuters)

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05 / 29

Colorized scanning electron micrograph of an apoptotic cell (blue) infected with SARS-COV-2 virus particles (red), also known as novel coronavirus, isolated from a patient sample. (Reuters)

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06 / 29

An undated transmission electron micrograph of SARS-CoV-2 virus particles, also known as novel coronavirus, the virus that causes COVID-19, isolated from a patient. (Reuters)

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07 / 29

Colorized scanning electron micrograph of an apoptotic cell (green) infected with SARS-COV-2 virus particles (yellow), also known as novel coronavirus, isolated from a patient sample. Image captured at the NIAID Integrated Research Facility (IRF) in Fort Detrick, Maryland. (Reuters)

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08 / 29

Colorized scanning electron micrograph of a VERO E6 cell (blue) heavily infected with SARS-COV-2 virus particles (orange), also known as novel coronavirus, isolated from a patient sample. (Reuters)

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09 / 29

The ultrastructural morphology exhibited by the 2019 Novel Coronavirus (2019-nCoV), which was identified as the cause of an outbreak of respiratory illness first detected in Wuhan, China, is seen in an illustration released by the Centers for Disease Control and Prevention (CDC) in Atlanta, Georgia. (Reuters)

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10 / 29

An isolate from the first U.S. case of COVID-19, formerly known as 2019-nCoV or novel coronavirus, is seen in a transmission electron microscopic image obtained from the Centers for Disease Control (CDC) in Atlanta, Georgia, US. (Reuters)

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