Adams said that he will make masks optional for those in daycare and prekindergarten starting April 4 if case rates and the risk of the virus spreading remain low.
Vaccine efficacy against infection was less than 45% in children aged 6 months to 6 years, which the company says is consistent with adult efficacy data during the Omicron surge.
Many pediatric patients in this study with COVID-19-related hospitalization had severe illness and viral coinfections, and few had been vaccinated, according to this CDC report.
The CDC reported 966,575 deaths from COVID-19 on Friday after it corrected the data earlier this week, which reduced the death tallies in all age-groups, including children.