Perhaps the coronavirus been around for a long time. This was shown by the analysis of samples collected at the treatment facilities of sewage.
Spanish virologists believe that found traces COVID-19 in samples of sewage collected in Barcelona in March of last year. If researchers from the University of Barcelona are right, that coronavirus was present in the wastewater in the nine months before SARS-CoV-2 was first identified in China. It should be noted that the virus is detected in only one sample, and to confirm the result requires more. However, France and Italy reported similar results, obtained during the analysis of samples collected at the treatment facilities of sewage. But how is this possible?
Despite the nice weather, hot summer and the gradual lifting of restrictions, the coronavirus SARS-CoV-2, calling COVID-19, is gaining momentum and the worst is yet to come. On 29 June, the head of the world health organization (who) tedros adhanom Ghebreyesus. Researchers believe that the increase in the number of infected in many countries caused by the abolition of the restrictive measures adopted after the Declaration of a pandemic. Despite the fact that some countries have made some progress globally, the pandemic is really accelerating writes .
We all want it to end. We all want to live their lives, but the reality is that the worst is yet to come.
The Head of the who tedros adhanom Ghebreysus during a virtual press conference from the headquarters of the organization in Geneva.
As on the website of Johns Hopkins University, COVID-19 infected more than ten million people worldwide, and the number of deaths has exceeded 500,000. Pursuant to 28 June 2020, more than 60% of new cases registered in the countries of North and South America. Unfortunately, you should not relax anyone, and this means that we should continue to use PPE and wash hands thoroughly.
Spain severely affected by the pandemic. The number of deaths exceeded 28 thousand people
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But if the coronavirus is really present in the wastewater of some European countries in March last year, why the pandemic is still not in full swing?
Call the Waste water whose properties have been changed for the worse as a result of human activity or industrial activity. Such water is discharged into the sewage system or gravity discharges in the rivers, ponds and lakes. As COVID-19 includes the fecal-oral route, the monitoring wastewater is a powerful tool for monitoring the spread of the disease.
In the new study, they analysed samples from two sewage treatment plants in Barcelona from 13 April to 25 may 2019. Scientists also tested frozen archived samples collected in January 2018. Then they conducted tests on samples collected in the period from January 2018 to December 2019 and has detected the presence of virus genome in only one sample, collected March 12, 2019 in the nine months before the virus was first discovered in China. it is Noteworthy that the first case was officially registered in Barcelona after 41 days after the researchers found traces of the virus in the sewage of the city is 15 January 2020.
it is possible that the pandemic will continue to rage until they invent a vaccine.
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Ministry of health of Spain has not yet commented on the findings, but experts from the society for public health and sanitary administration of the country stated that it is too early to draw final conclusions and that more research is needed. According to scientists, one of the ways to verify the obtained results would be to study blood samples of patients of patients with influenza who were admitted to hospital of Barcelona in March 2019. This will determine whether the new coronavirus walked across Europe last spring.
Moreover, the obtained results can be reproduced around the world. Recall that for reliable, qualitative research always requires more data, more work, more samples. It is necessary to rule out laboratory error, methodological problem, or to confirm the already obtained results. Despite the fact that there is a probability of a false positive answer due to the similarity of the virus with other respiratory infections, the concentration of virus in the sample was at the same level as in the samples collected from March to April 2020. Scientists believe that in the past year, the virus could not detect because of the flu season. Besides, a year ago no one was looking new .
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