Overseas network 28 August novel coronavirus pneumonia in a Nevada, a new study found that two cases of infection and symptoms were detected in the first month of the disease, the first two cases of infection found in the United States, a report from 28 US media reported on the afternoon of March 2, 2008.
Screenshot of the report
According to the US “Newsweek” report, the study showed that the patient is 25 years old, From Reno, Nevada. The patient was tested positive on April 18 and presented with sore throat, headache, nausea and diarrhea. By April 27, the symptoms had subsided, and the two tests received on May 9 were negative.
On May 31, the patient again reported fever, headache, dizziness, cough, nausea and diarrhea. Five days later, the patient was hospitalized after the symptoms worsened, and the new coronavirus test was positive again. In addition, analysis of samples from patients showed that there were antibodies against new coronavirus in their bodies. The study said the patient did not have any immune system diseases and did not take immunosuppressive drugs. Scientists analyzed the virus gene in the patient’s body and concluded that the difference in the virus was enough to indicate that the patient was infected twice. The researchers also said the data supported that this was “a case of secondary infection with the new coronavirus”, but also called it “possibly rare”.
Newsweek pointed out that the study is currently in a pre publication state and has not been peer reviewed. U.S. media said that in view of the rapidly changing situation of the epidemic situation, the release of research in this way can allow scientists to discuss as soon as possible. “This is just a study, but it shows that people can be re infected with the new coronavirus,” mark pandoly, director of the Nevada public health laboratory, said in a statement. If secondary infection can occur in such a short period of time, it will bring significance to vaccine research and development and population immunity At the same time, pandoly stressed that this is a single study, and it is impossible to determine whether secondary infection will occur.
On the 24th, the microbiology team of the University of Hong Kong reported the world’s first case of secondary infection. Following media reports, the Netherlands, Belgium and Brazil also reported cases of secondary infection or suspected secondary infection. Who has also stated that there will be secondary infections, but not necessarily often.