Children’s innate immune system protecting them from severe COVID, Melbourne researchers find

Francesca Orsini was preparing to celebrate her daughter’s second birthday when the family received a call from Victoria’s Department of Health, telling them the toddler had tested positive for COVID-19.

Two-year-old Camilla was the last in the family of four confirmed as having the virus but, while Francesca and her partner Alessandro Bartesaghi were struck down with headaches and fatigue, Camilla and her five-year-old sister Beatrice sailed through the illness with only minor symptoms.

“The…