The nose and upper airway are crucial training grounds for immune cells to memorize invading pathogens, enhancing defense and potential for more effective mucosal vaccines.
Study reveals an arsenal of immune cells in the upper airway, vital for respiratory infection defense in both young and older individuals, potentially advancing vaccine development.
Previous immune system research focused on blood and lower airways, prompting the need to understand and sample immune cells in upper airways, significant during the COVID-19 pandemic.
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