Another recent federal study, published in the journal JAMA Pediatrics in February, showed approximately 1.01 million children, or 1.4%, are believed to have ever experienced long COVID as of 2023 and about 293,000, or 0.4%, were experiencing the condition when the survey was being conducted.

COVID-19 took the lives of more than one million Americans and nearly 116,000 Californians, according to the Centers for Disease Control and Prevention.