Research into possible cause of healthy children ending up in the ICU

A source in Vietnam reports that research is being conducted into a possible culprit that could cause healthy children to end up in the intensive care unit. It concerns an as yet unknown factor that, according to the source, can lead to serious health problems in children.
The cause is not yet clear, but the source refers to a specific factor that may be responsible for this situation. The research is still ongoing, and there is no clarity yet on the exact nature of the culprit.
According to the source, work is being done on a solution to prevent this situation. It is not yet known when the results of the research will be published. The advice for now is to be vigilant and report any symptoms in children immediately to a doctor.
This report is a summary based on the mentioned source and is not medical advice. Always consult a doctor or pharmacist in case of complaints.