[ad_1]
According to the study published in the journal Nature Medicine, 44 percent of cases of transmission of the Covid-19 virus occur through carriers who do not show the symptoms of the disease, and the contagion reaches its peak 1-2 days before symptoms appear.
For the study, he investigated samples from 94 patients hospitalized at the No. 8 Public Hospital in Guangzhou, China, during the period from January 21 to February 14, for 32 days from the date of symptoms.
VIRUS COMMUNICATION BEGINS 2 DAYS BEFORE THE SYNTONS
The results showed that the amount of genetic material in the virus was strongest on the first day of symptoms, and then fell within about 21 days. According to the researchers, this process shows that someone who caught the virus produced it with greater intensity at the beginning of the infection, before the immune system came into play and revealed the symptoms.
The analysis of 77 cases in which the source of infection and the person infected with the virus are precisely known, allowed us to calculate when people infected more viruses. According to scientists, the contagion begins 2.3 days before symptoms appear and reaches a climax 0.7 days before the disease begins to manifest itself.
GERMAN SCIENTISTS HAVE A SIMILAR RESULT
It was understood that these results were identified with the results of research previously carried out by German scientists. Research by German scientists also revealed that the virus was most intensively produced in the first week of illness before symptoms appeared.
However, scientists say that samples taken from patients’ mouths and noses contain an enormous amount of virus, approximately 1,000 times more than patients with acute respiratory viral infections. This may explain why the new type of coronavirus is so contagious.
10 days after disease onset, virus transmission decreases
The researchers, who also gave promising information, said that there was a sharp decrease in the number of infectious viruses secreted by patients approximately 10 days after the onset of the disease, while antibodies developed by the immune system against SARS-CoV- 2 kill proliferating viruses.
One conclusion is that Covid-19 patients, whose symptoms of the disease are very prominent, are secreting more infectious viruses than carriers where the symptoms are not seen.
According to the results, which are not very good for patients, the virus is secreted only in the early stages of the disease. When obvious symptoms begin to appear, the infection often reaches the lung.
FILION CANNOT ENOUGH NEW WAVES
According to the scientists conducting the new research, following up on Covid-19 and identifying individual cases may not be as effective as preventing new waves, since more than 30 percent of cases occur without symptoms or symptoms.
Therefore, more than 90 percent of virus carriers must be detected to stop the epidemic, and to do this, massive testing must be done. Experts urge everyone to follow the general rules of cleanliness, wash your hands and maintain social distance, since there is no such thing for now, as well as no vaccine against the epidemic.
Painful confession of a doctor looking at the first cases of crown in China
Breaking News: Flash Call From Germany! “China has to make a statement”
€ 130 billion coronavirus project from Germany to China
[ad_2]
