Federal health officials are urging areas hardest hit by increasing COVID-19 cases to reconsider implementing indoor masking measures. The surge in infections, driven by the highly transmissible Delta variant, has raised concerns about a potential worsening situation in the US. Similar to how we put on a jacket when it’s cold outside, wearing masks indoors can provide an extra layer of protection against the virus. The Centers for Disease Control and Prevention (CDC) is advising that a third of Americans should consider wearing masks indoors, particularly in areas with high transmission rates. While vaccination remains the most effective tool in combating the virus, mask-wearing can further reduce the risk of transmission. As we navigate through this pandemic, it is crucial to stay informed about the latest guidance from trusted health authorities like CDC. To learn more about indoor masking and other preventive measures, explore the research and resources available on the CDC website.