GENERICO.ruWorldSpanish Institute: Antibodies against COVID remain effective for seven months

Spanish Institute: Antibodies against COVID remain effective for seven months


MADRID, 6 Aug Antibodies against the SARS-Cov-2 coronavirus remain stable or even rise for seven months after illness, according to a study published in the journal Nature Comunications. 578 people participated in a study conducted by the Barcelona Institute for Global Health (ISGlobal). who have suffered asymptomatic or mild COVID-19. For seven months after the illness, blood samples were taken from them – they checked the level and type of IgA, IgM and IgG antibodies to 6 different SARS-CoV-2 antigens, as well as the presence of antibodies to four coronaviruses that cause colds in people. The doctor named the condition under which the coronavirus cannot infect the body The authors were able to prove that regardless of age (people under 65 years of age participated in the study) and gender, the number of antibodies remains stable. “At first, immediately after infection, the response is much more powerful, and then it falls, but we wanted to check what this decline looks like and whether it will disappear. The decline occurs, but it stabilizes, and even in 75% of cases, which we cannot attribute to reinfection , there is an increase. But we don't know why, “explains study co-author Hemma Moncunil. The test also demonstrates cross-protection of antibodies against human cold coronavirus (HCoV) from COVID-19. So, people with pronounced SARS-CoV-2 disease had a lower level of antibodies to HCoV, and those who were asymptomatic with COVID-19 had a high level. “While cross-protection with preexisting immunity to common cold coronaviruses has yet to be confirmed, it may help explain the large differences in disease susceptibility among the population,” said study co-author Carlota Dobagno. “Fog in the head”. The doctor spoke about brain damage after coronavirus

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