'The findings are reassuring because many countries, including the UK, have chosen to delay administering second doses.'
Children have endured impaired co-ordination, headaches and even hallucinations upon admission to hospital.
'We've seen patients reporting fewer seasonal allergy issues' amid the pandemic.
The stress of the infection alone could have mental health consequences, according to scientists.
Youngsters endured strokes, central nervous system infections and a build-up of fluid around the vital organ.
Many of the participants were frail with underlying health issues.