Do Surgical Masks Protect You from Viruses?

The video discusses the effectiveness of surgical masks and N95 respirators in preventing flu transmission. It highlights that while surgical masks may not prevent the wearer from catching the flu, they are effective in containing germs and protecting others. Various studies are cited, showing that respirators are more effective at blocking viruses, but surgical masks still play a crucial role in public health by reducing the spread of illness. The video concludes by recommending flu shots as the best preventive measure.

According to the text, what is the best way to protect yourself from the flu?

What is the difference between being exposed to the flu virus and actually getting sick?