“…Plant biotechnology has much to offer in the fight against infectious diseases, from the provision of emergency testing infrastructure (Webb et al ., 2020 ) to the manufacture of small‐molecule drugs, recombinant antivirals, subunit vaccines, engineered viruses and virus‐like particle (VLP) vaccines, therapeutic proteins, antibodies and diagnostic reagents (Capell et al ., 2020 ; Daniell et al ., 2016 , 2019 , 2021 ; McDonald and Holtz, 2020 ; Rosales‐Mendoza, 2020 ; Tusé et al ., 2020 ). Although plants have been used as a platform for the production of pharmaceutical proteins for more than 30 years (Fischer and Buyel, 2020 ; Ma et al ., 2003a ), their potential advantages in terms of scale and speed were highlighted by the slow response of traditional manufacturing platforms to epidemics of severe acute respiratory syndrome (SARS) in 2002/2003, H1N1/09 influenza in 2009, Middle East respiratory syndrome (MERS) in 2012, Ebola in 2014/2015 and Zika in 2016/2017 (Bradley and Bryan, 2019 ; Kobres et al ., 2019 ).…”