Who: new coronavirus is still spreading rapidly

category:Health
 Who: new coronavirus is still spreading rapidly


Who director general Tan Desai said at a regular press conference that day that the new coronavirus is still spreading rapidly and most people are still at risk of infection. According to who data, more than 150000 new cases were reported to who in 18 countries, nearly half of them from the Americas, and a large number of cases were also reported in South Asia and the Middle East.

Tan Desai said that the world is at a new dangerous stage. Although many people are tired of staying at home to avoid the epidemic and countries are eager to open up social and economic activities, he still called on all countries and people to keep a high degree of vigilance, keep social distance, wear masks and wash hands frequently when appropriate.

Michael Ryan, executive director of whos health emergency program, said that there is no accurate definition of second wave of epidemic. The newly discovered cluster infection in some places does not necessarily mean the second wave of epidemic, which may be just another peak in the first wave of epidemic.

Different from the usual mode of influenza transmission, the first peak of the new crown epidemic in many places did not show a significant decline, but only maintained at a relatively stable level due to prevention and control. We should make full preparations in terms of personnel, materials, etc. in order to prevent the next possible peak.

Regarding the latest outbreak in Beijing, China, Maria fankelkhov, technical director of the WHO health emergency project, said that some virus gene sequences in the latest outbreak in Beijing have been publicly uploaded for analysis and research, and who has also received a notification from China. For the special environment may play a role of amplifier of virus transmission, more and more detailed epidemiological investigation should be done so as to further understand the characteristics of virus transmission.

Photo / Xinhua News Agency

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Researchers have detected the RNA of the new coronavirus in wastewater samples from two northern Italian cities Milan and Turin last December, according to a study released by the Italian Institute of higher health on Tuesday.

Giuseppe la Rosa, a water quality expert at the Italian Institute of higher health, and Elizabeth soufredini, a food safety expert, led the study. La Rosas team tested 40 wastewater samples collected at municipal wastewater treatment plants in northern Italy from October 2019 to February 2020.

The two laboratories used two different methods to confirm the presence of new coronavirus RNA in wastewater samples collected in Milan and Turin on December 18 last year.

No new coronavirus RNA was found in wastewater samples collected in Milan and Turin in October and November last year. New coronavirus RNA was found in wastewater samples collected in January and February in the two cities and the northern city of Bologna.

The Italian Institute of higher health said the study showed consistent information with the results of two French and Spanish analyses that could help to understand the origin of the spread of the new coronavirus in Italy.

According to the Italian Institute of higher health, a retrospective test of a sample of hospitalized patients in France shows that a patients infection with the new coronavirus can be traced back to the end of December last year; a recent survey in Spain found that the waste water samples collected in Barcelona in mid January this year contained RNA of the new coronavirus.

Italy first reported new crown cases in late January, and more than 34000 people have died of the virus so far.

Researchers in the Netherlands, France and Australia have also found traces of the new coronavirus in the wastewater and are pushing ahead with research. According to Xinhua News Agency

Source: Geng Yuanyuan, responsible editor of Beijing Youth Daily_ NJ5571