Children can fight COVID better than adults because of the innate immune response, according to a study | News from Great Britain – World

New research has shown that children may be better able to fight COVID than adults because of their innate immune responses.

University College London (UCL) researchers said their study showed that people’s immune systems are not the same as what they have as adults.

They added that children have innate immune systems that are better able to recognize the more dangerous ones Viruses or bacteria automatically, which then trigger cells that can adapt to the threat.

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The self-isolation period for fully vaccinated people with COVID will be reduced from 10 to seven days with immediate effect

Meanwhile, adults have a more adaptive immune system that contains memory cells that have been trained through previous exposure to respond to a specific threat.

Researchers worked with affiliated hospitals to collect and process matching airway and blood samples from 19 children and 18 adults COVID Patients with symptoms ranged from asymptomatic to severe along with control samples from 41 healthy children and adults.

Dr. Masahiro Yoshida, lead author of the study from University College London, said, “Because Sars-CoV-2 is a new virus, the adaptive immune system of adults has not learned to respond to it.

“Children’s innate immune systems are more flexible and can react better to new threats.

“What we are seeing at the molecular level are high levels of interferon and a very rapid immune response in children, which helps explain why they are less affected by COVID than adults.”

The study went on to explain how adult immune systems, which have large numbers of killer immune cells like B and T cells, can also work against the body once the virus has spread to other parts of a patient.

Dr. Marko Nikolic, lead author of the study from University College London, MRC Intermediate Fellow and Volunteer Respiratory Medicine Advisor, said, “Once the virus has spread to multiple areas of the body, organ damage can be caused by the attempt of the immune system rather than undermining the infection Control is brought.

“Our study shows that children not only respond better at the beginning, but when the virus does get into the blood, the cytotoxic reaction is less strong.”

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