Respiratory viruses that hijack immune mechanisms may have Achilles’ heel

One viral protein could provide information to deter pneumonia causing the body’s exaggerated inflammatory response to respiratory viruses, including the virus that causes COVID-19. That viral protein is NS2 of Respiratory Syncytial Virus (RSV), and a study has found that if the virus lacks this protein, the human body’s immune response can destroy the virus before exaggerated inflammation begins.