How targeting killer T cells in the lungs could lead to immunity against respiratory viruses

A significant site of damage during COVID-19 infection is the lungs. Understanding how the lungs’ immune cells are responding to viral infections could help scientists develop a vaccine. Now, a team of researchers has discovered that the cells responsible for long-term immunity in the lungs can be activated more easily than previously thought. The insight could aid in the development of universal vaccines for influenza and the novel coronavirus.

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