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Almond, Jeffrey, Jörg Hacker, Colin Harwood, Mariagrazia Pizza, Rino Rappuoli, Eliora Z. Ron, Philippe Sansonetti, Samantha Vanderslott, e Lothar H. Wieler. "Development of Vaccines At the Time of COVID-19." Microlife 2020.

Almond, Jeffrey, et al. "Development of Vaccines At the Time of COVID-19." Microlife 2020.