At least 180 typesetter’s case of stern hepatitis in tike reported from 36 states and territories are under investigating to see whether they are connected with the outbreak of late months , the Centers for Disease Control and Prevention ( CDC ) has say .
This routine , last updated on May 18 , is up significantly from May 5 , when 109 case were reported , but part of the raise is because the CDC is also look at sr. cases of liver damage in tiddler as it investigate the possible connection to adenovirus 41 .
" Since CDC ’s investigation looks at patient role reported back to October of 2021 , most of these numbers necessitate patient that are just now being cover , rather than new cases of hepatitis , " the CDC say in astatement . " So not all are recent , and some may in the end wind up not being connect to this current investigating . "
The numeral of tiddler affected role with dangerous liver harm requiring liver transplants has gone down since their last update on May 5 , from 15 percent to 9 pct , while the entire number of deaths attributed to the condition remains at six .
The CDC is carry on to test for likely causes of the liver redness , including hepatitis viruses A , B , C , D , and E. However , as with other investigation taking place around the world , adenovirus 41 is considered a " strong lead " .
" Further laboratory tests are being conducted to look more closely at the virus genome and other possible pathogens , such as SARS - CoV-2 , " the CDC added . They are not the first to surmise a possible link with COVID-19 , with experts write inThe Lancetof a possible inter-group communication between the computer virus and the liver harm see to it in recent month .
In April , a likely perpetrator emerged : adenovirus case 41 , which was found in75 percentof children test , according to one written report . Sixteen pct also tested positive for COVID-19 , though the UK Health Security Agency stressed that COVID-19 was dominant during the time of admission , so this was not unexpected .
However , as Professor Will Irving of the University of Nottinghamexplained in April , this still leaves the mystifier as to why the adenovirus could be causing liver damage when it had n’t done previously .
" The link with adenovirus infection stay tantalising – a definite possibleness but not yet proven , " Irving said . " There are very few case reports in the global literature of adenovirus infection being assort with hepatitis in immunocompetent children ( or adults ) – so if it transpire that adenoviral contagion is require in causing this disease outbreak , there will be a demand to excuse why the natural account of adenovirus contagion has changed so dramatically in 2022 . "
The correspondence objet d’art published in The Lancet suggest a possible answer : old COVID-19 contagion , loiter in the intestines . " SARS - CoV-2 viral persistence in the gastrointestinal tract can contribute to repeat button of viral protein across the intestinal epithelium , giving rise to immune activating , " theteam write .
They explain that when the immune arrangement is also met with adenovirus transmission , this could trip an over - chemical reaction to the contagion , releasing orotund amounts of instigative protein and fire up the liver .
" We hypothesise that the latterly reported cases of life-threatening incisive hepatitis in children could be a moment of adenovirus infection with enteric trophism in children previously infect by SARS - CoV-2 and carry viral reservoirs , " they posit .
" We indicate that children with acute hepatitis be investigated for SARS - CoV-2 tenaciousness in stool , tetraiodothyronine - cell receptor skewing , and IFN - γ upregulation , because this could supply evidence of a SARS - CoV-2 superantigen mechanism in an adenovirus-41F - hypersensitized host . "
The CDC emphasis that severe hepatitis in children remains rare , but encourages parents and carers to be aware of thesigns of the disease , especially acrimony ( the yellowing of the cutis and eyes ) .