Paramedic wearing personal protection equipment (PPE), tends to a 10-month-old boy with fever while riding by ambulance with the infant's mother to a hospital on April 04, 2020 in Stamford, Connecticut. LOS ANGELES - The United States saw a 28% increase in COVID-19 cases among children across a two-week period, as coronavirus cases surge and reach record levels during the holiday season, a new report found.According to the report from the American Academy of Pediatrics and the Children’s Hospital Association, 1.2 million children had tested positive for COVID-19 since the onset of the pandemic, as of Nov.