Oral Typhoid Vaccination With Live-Attenuated<i>Salmonella</i>Typhi Strain Ty21a Generates Ty21a-Responsive and Heterologous Influenza Virus–Responsive CD4<sup>+</sup>and CD8<sup>+</sup>T Cells at the Human Intestinal Mucosa
The journal of infectious diseases (Online. University of Chicago Press)/The Journal of infectious diseases