XPost: misc.news.internet.discuss   
   From: here@is.invalid   
      
   SARS-CoV-2 Antibodies Detectable Up to 7 Months After COVID-19 Onset   
      
   A new study led by Marc Veldhoen, principal investigator at Instituto   
   de Medicina Molecular Joao Lobo Antunes (iMM; Portugal) with an   
   interdisciplinary team of clinicians and researchers from Faculdade de   
   Medicina da Universidade de Lisboa (FMUL) and Centro Hospitalar Lisboa   
   Norte (CHLN) and collaborators at Instituto Portugues do Sangue e   
   Transplanta+AOc-ao (IPST), shows that 90% of subjects have detectable   
   antibodies from 40 days up to 7 months post contracting COVID-19.   
   These results, now published in the scientific journal European   
   Journal of Immunology,   
      
   also show that age is not a confounding factor in levels of antibodies   
   produced, but disease severity is.   
   ...   
   ...   
   "Our immune system recognizes the virus SARS-CoV-2 as harmful and   
   produces antibodies in response to it, which helps to fight the   
   virus." "The results of this 6 months cross-sectional study show a   
   classic pattern with a rapid increase of antibody levels within the   
   first three weeks after COVID-19 symptoms and, as expected, a   
   reduction to intermediate levels thereafter", explains Marc Veldhoen,   
   adding that "in this early response phase, on average men produce more   
   antibodies than women, but levels equilibrate during the resolution   
   phase and are similar between the sexes in the months after SARS-CoV-2   
   infection". In the acute phase of the immune response, the team   
   observed higher antibody levels in subjects with more severe disease.   
   Also, the results show that age is not a confounding factor for the   
   production of antibodies, as no significant differences were observed   
   between age groups. Globally, 90% of subjects have detectable   
   antibodies up to 7 months post contracting COVID-19.   
      
      
      
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