BBC News Review 2022/07/27 Mystery child illness: Cause found

Major breakthrough as scientists get to the bottom of mysterious hepatitis outbreak in kids.

Scientists find likely culprit behind mystery child hepatitis outbreak – and Covid itself is NOT to blame.

Preprints Propose Constellation of Causes for Kids’ Liver Disease

The story
Hepatitis. A recent mysterious outbreak of the liver disease has seriously
affected over a thousand young children from 35 countries across the world.
Until now, nobody knew why.
But scientists in the UK say the likely cause is two common viruses which came
back after Covid lockdowns ended.
Key words and phrases
get to the bottom of –
discover the truth about a situation
• DNA evidence helped police get to the bottom of the case.
• Who stole my pen? I need to get to the bottom of this.
culprit 犯罪者、犯人、罪人、(話) 問題の原因［発端］
the cause of something bad
• Scientists say climate change is the culprit when it comes to heatwaves.
• After the robbery, detectives searched for the culprit.

constellation 星座（の位置）〔類似の物・人・事柄などの〕集まり
a group of related things
• There is a constellation of reasons for global price rises.
• Digital TV offers a constellation of viewing options.