A February air leak at a high-security CDC lab draws congressional scrutiny . `` This unique facility features multiple security layers specifically designed to protect workers and the public in the event of an incident . '' The Centers for Disease Control and Prevention is investigating the incident, which occurred in February. A House panel wants to know whether there are `` additional concerns or incidents ''
A February air leak at a high-security CDC lab draws congressional scrutiny . The Centers for Disease Control and Prevention is investigating the incident, which occurred in February. A House panel wants to know whether there are `` additional concerns or incidents ''