17-year-old with covid-19 has lost 9 kilos while fighting in the ICU

As the delta variant of coronavirus spreads across the United States, cases of covid-19 in children and adolescents are on the rise.

Nelson Alexis Bennett is 17 years old and battles COVID-19 in the pediatric ICU of the Children's Hospital of New Orleans.

CNN's Nick Valencia reports his story and his parents' testimony.