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German researchers develop first test for new coronavirus from China

16 Jan 2020
Detection of the pathogen coronavirus. (Shutterstock)
Detection of the pathogen coronavirus. (Shutterstock)
Three-dimensional illustration of coronavirus. (Shutterstock)
Three-dimensional illustration of coronavirus. (Shutterstock)
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Updated 16 Jan 2020
16 Jan 2020

German researchers said Thursday they have developed the first diagnostic test for a new virus that has emerged in central China and has spread to Japan.

The virus was first detected in the Chinese city of Wuhan last year and cases have since been reported in Thailand and Japan.

Japan confirmed the first case of coronavirus infection, Japan’s health ministry said in a statement Thursday. The statement mentioned that a man from Kanagawa, next to Tokyo, tested positive after reportedly travelling to Wuhan, where there had been an outbreak of pneumonia believed to be caused by the new coronavirus strain. He was then hospitalised with a fever after returning to Japan.

Dozens of people in China have been sickened by it and one person with severe underlying conditions has died.

Dr. Christian Drosten, the director of the Institute for Virology at Berlin's Charite hospital, said the test developed by his team will allow labs to reliably diagnose the so-called novel coronavirus "in a very short period of time.”

According to the US Centers for Disease Control and Prevention (CDC), coronaviruses usually cause mild to moderate upper-respiratory tract illnesses, like the common cold.

However, this classification places the mysterious virus under the same family as the Middle East respiratory syndrome (MERS), and the severe acute respiratory syndrome (SARS), both of which resulted in hundreds of deaths during their outbreak, according to the CDC.

The test protocol is being made available through the World Health Organization, and laboratories can order a molecule from the German team to compare patient samples with a positive control, he said.

"We have just started receiving orders and are now starting to post the molecule,” Drosten told The Associated Press.

So far, doctors have only been able to perform a general virus test and then had to sequence and interpret the genome, said Drosten. Large, well-equipped public laboratories are able to do this but smaller labs would struggle to do so, he added.

“We’re more concerned about labs in countries where it’s not that easy to transport samples or staff aren’t trained that thoroughly, or if there is a large number of patients who have to be tested,” said Drosten, citing the epidemic of SARS, or Severe Acute Respiratory Syndrome, which killed hundreds in 2002 and 2003.

Drosten, who was one of the co-discoverers of SARS, said the two viruses are so closely related that laboratories which have control samples for SARS in stock can use it to diagnose the new virus, cutting the time required to create a functioning test.


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