In a research paper published in Nature Communications, researchers led by the Murdoch Children's Research Institute MCRI in Australia, revealed the immune mechanisms that protect children from severe Covid illness. In doing so, the research team analysed blood samples from 48 children and 70 adults across 28 Melbourne households infected with or exposed to Covid and monitored their immune responses during the acute phase of infection and up to two months afterwards. They found Covid infection in children was characterised by activation of neutrophils, the specialised white blood cell that helps heal damaged tissues and resolves infections, and a reduction in first-responder immune cells such as monocytes, dendritic cells and natural killer cells from the blood. Importantly, this immune reaction was not replicated among adults in the study. Meanwhile, the research team found both kids and adults who were exposed to but tested negative for Covid, had increased neutrophil numbers to provide a certain level of protection from the disease. Join ST's Telegram channel here and get the latest breaking news delivered to you.
Immune System Research
Immune system Essays | le212.info
The immune system as a protection against infections from foreign macromolecules or attacks by organisms, including viruses, bacteria, protozoa and parasites. The immune system also plays a role in resistance to body proteins and other molecules such as those that occur in autoimmunity, and against cells that are aerated into tumors. The ability of the […]. Youth obesity has tripled during recent years, and twenty-five percent of the general population influenced by it are under nineteen years of age.
Innate immunity and its role against infections
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Children are protected from severe COVID because their innate immune system is quick to attack the virus, a new study has found. The study involved an analysis of blood samples from 48 children and 70 adults across 28 Melbourne households infected with, or exposed to, the new coronavirus. Immune responses were monitored during the acute phase of infection and up to two months afterwards. Both daughters, aged six and two, only had a mild runny nose but Francesca and Alessandro had extreme fatigue, headaches, muscle pain and loss of appetite and sense of taste. It took Francesca and Alessandro at least a fortnight to fully recover.