Hartley L, Harold S, Hawe E. The efficacy, safety, and immunogenicity of plague vaccines: a systematic literature review. CRIMMU. 2023 Nov 1;4:100072. doi: 10.1016/j.crimmu.2023.100072
Fondell E, Lagerros YT, Sundberg CJ, Lekander M, Balter O, Rothman KJ, Balter K. Physical activity, stress, and self-reported upper respiratory tract infection. Med Sci Sports Exerc. 2011 Feb 1;43(2):272-9.