A team of the National Institute of Allergy and Infectious Diseases (NIAID) in US' Montana has released scanning and transmission electron microscope images of coronavirus (COVID-19).

The investigator of NIAID's Rocky Mountains Laboratories(RML) Emmie de Wit provided the virus, while, microscopist Elizabeth Fischerproduced the images, with the visual medical arts office colourising theimages.

Meanwhile, the total number of confirmed infectionsacross mainland China has risen to 66,492, while the number of deaths hasreached 1,523. Beijing has imposed a 14-day self-quarantine on all thosereturning to the city.