A sexagenarian, Hubei province, China, has been tested positive on 8 February and was again after having been admitted to the 9th of August.
A 68 year old woman was tested positive to the Covid-19 to Jingzhou, in Hubei province in China, on February 8 and then on 9 August, after having been restored meanwhile, reports Reuters, relayed by Le Parisien. Reuters states that this sexagenarian has been placed in quarantine and under treatment and that their contacts have been tested. These were found to be negative.
Several theories
This possibility of recontamination has already been put on the table. As explained by our colleagues, these patients could have lived a long single infection, the viral load may in some cases remain present in the body for several weeks.
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teams of the CHU of Strasbourg and the Institut Pasteur had conducted a survey at the end of may on 160 individuals suffering from mild forms of the disease. The results showed that even when having developed a mild form of the Covid-19, people already infected with the virus are capable of generating protective antibodies that are present at least 40 days after the onset of symptoms.
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“Covid-19”, the new coronavirus
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another study from King’s College London was published on 13 July, note that the immunity could go away in a few months. Researchers are also investigating the hypothesis of cross-immunity.
