"How do we get infected? It has been made in a factory and injected into humans. All viruses are good viruses. The virus has no nucleus, no circulatory system, and no digestive system. Viruses are NOT alive."
One of the most eye-opening documentaries that were made during the Covid-19 engineered pandemic.
A research done in 2010 (Cowling, B. et al.) about face masks and their effectiveness in preventing influenza transmission concluded that: "there remains a substantial gap in the scientific literature on the effectiveness of face masks to reduce transmission of influenza virus infection"