Rodriguez Velásquez, Sabina, Loza Estifanos Biru, Sandrine Marie Hakiza, Muaamar Al-Gobari, Isotta Triulzi, Jyoti Dalal, Camille Beatrice Gaza Varela, Sara Botero Mesa, and Olivia Keiser. “Long-Term Levels of Protection of Different Types of Immunity Against the Omicron Variant: A Rapid Literature Review”. Swiss Medical Weekly 154, no. 5 (May 6, 2024): 3732. Accessed September 9, 2024. https://smw.ch/index.php/smw/article/view/3732.