CDC Chief: Masks Are a Better Covid-19 Defense Than a Vaccine

The CDC director highlights the critical role of face masks in controlling the COVID-19 pandemic, urging all Americans to adopt them as a primary defense. He emphasizes the scientific evidence supporting their effectiveness and compares their protective guarantee to that of vaccines, which may not always elicit an immune response. The director calls for personal responsibility, particularly among young adults, to embrace mask-wearing to curb the outbreak.

What evidence does the speaker mention to support the effectiveness of face masks?

What responsibility does the speaker urge the American public, particularly young adults, to take?