Why children avoid the worst COVID-19 complications might lie in their arteries

?Why children avoid the worst COVID-19 complications might lie in their arteries

Two children wearing face masks play on Portixol Beach in Palma de Mallorca, on April 26, 2020 during a national lockdown.


Children account for fewer than 2% of confirmed COVID-19 infections within the us .Credit: Jaime Reina/AFP/Getty

why children are much less likely than adults to experience severe complications from the infection. Now research suggests that the solution might dwell children’s healthy blood vessels.

Children structure only alittle proportion of these infected by SARS-CoV-2, the virus that causes COVID-19. A large survey by the US Centers for Disease Control and Prevention in Atlanta, Georgia, found that children aged 17 and under, who structure 22% of the US population, account for fewer than 2% of confirmed COVID-19 infections across the us . And, of 2,572 children included

within the survey, only 5.7% visited hospital and only three died

Several theories are proposed to elucidate why children aren’t getting so ill.

These include the likelihood that they need a stronger and simpler initial immune reaction to the virus than adults do, which they

could have some immunity from recent exposure to similar viruses.

But a growing number of researchers think that the difference between adults and youngsters could be the condition of their

blood vessels.

Coronavirus and COVID-19: Keep up to date

Many adults with serious COVID-19 experience clotting in their blood vessels, which results in heart attacks or strokes.


, the graceful tissue that lines blood vessels and normally prevents clotting, says Frank Ruschitzka, a cardiologist at the

University Hospital Zurich in Switzerland.


Normally, blood clots form only to prevent bleeding from an injury,

but if the endothelium is broken , clots also can form

.  1. The study was small so such complications will got to be investigated further, but problems with the endothelium seem to be involved in most cases of COVID-19 that reach severe or fatal disease in adults, he says.

Perfect condition

Endothelium is usually in far better condition in children than adults. “A kid’s endothelium is about up perfectly then just deteriorates with age,” says Paul Monagle, a paediatric haematologist at the Melbourne Children’s Campus.

Monagle et al. think that children’s blood vessels are ready to withstand a viral attack than adults. Further support for this theory is that the observation that few children with COVID-19 present with excessive clotting and damaged vessels, he says..

  • .nature.com/articles
  • FREE
  • الدولار الأمريكي