Patients infected with either severe acute respiratory syndrome coronavirus (SARS-CoV) or SARS-CoV-2 produce antibodies that bind to the other coronavirus, but the cross-reactive antibodies are not cross protective, at least in cell-culture experiments, researchers report May 17 in the journal Cell Reports. It remains unclear whether such antibodies offer cross protection in the human body or potentiate disease. The findings suggest that more research is needed to identify parts of the virus that are critical for inducing a cross-protective immune response.
source https://www.pharmatutor.org/pharma-news/2020/coronaviruses-do-not-readily-induce-cross-protective-antibody-responses
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