CDC'S own scientists conducted studies showing N95 respirators are no more effective at stopping viruses than surgical masks — yet the agency issued guidance contradicting those and other studies showing both types of masks are ineffective at stopping the spread of COVID-19, according to an investigation by Paul D. Thacker.


According to an investigation by independent journalist Paul D. Thacker published this week in The Disinformation Chronicle, officials at the Centers for Disease Control and Prevention openly questioned the findings of its own scientists’ studies contradicting the agency’s public messaging about mask effectiveness