BlinkIN, a Bengaluru-based intelligent visual-assistance firm helped service engineers from Germany remotely install air ventilation systems in two hospitals in Wuhan

Senior school students in 121 institutions were back in front of chalk boards and digital displays for the first time since their city -- the ground zero of the coronavirus pandemic -- shut down in January.

China on Wednesday dared US Secretary of State Mike Pompeo to show "enormous evidence" he claimed to have to prove Covid-19 originated from a lab in Wuhan. "Pompeo cannot present any evidence because he does not have any," Chinese foreign ministry spokesperson Hua Chunying said. "This matter should be handled by scientists..instead of politicians," Hua said.

It was not clear whether live animals or infected vendors or shoppers may have brought the virus into the market, a WHO expert said.

WHO food safety and animal diseases expert Peter Ben Embarek said live animal markets are critical to providing food and livelihoods for millions of people globally and authorities should focus on improving them rather than outlawing them.

Beijing, May 06: China on Wednesday dared US Secretary of State Mike Pompeo to show "enormous evidence" he claimed to have to prove that the novel coronavirus originated from a lab in Wuhan and said he has no evidence to back

Trump in the past also had alleged that China does not want to see him elected for a second term because of his administration's tough stance of imposing high tariffs on Chinese imports.

For context, US Secretary of State Mike Pompeo had earlier this week claimed that there is more than enormous evidence to suggest that the coronavirus originated from the virology laboratory in Wuhan.

Singapore : Springer, [2019]

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The World Health Organization on Friday said that a wholesale market in Wuhan, China had played a role in the outbreak of the novel coronavirus in 201