How targeting killer T cells in the lungs could lead to immunity against respiratory viruses
Salk Professor Susan Kaech examined the immune cells in the lungs, a significant site of damage during the COVID-19 infection. When we are first exposed to bacteria or viruses, immune cells called killer T cells destroy the infected cells to prevent the spread of the disease. Killer T cells effectively provide long-term protective immunity against the invader, a fundamental concept behind vaccination. Kaech’s team, including first author and then-graduate student Jun Siong Low, found 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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