By Kevin E. Noonan — The COVID-19 pandemic has spread throughout the globe, infecting more than 90 million people and causing almost two million deaths (see “Tracking coronavirus’ global spread”). SARS-CoV-2 infection is the cause of the COVID-19 pandemic; this virus is recognized as the latest viral infection in humans of zoonotic origins, in this case bats first arising in Wuhan, China. But the world’s hope against the pandemic has been raised by the development of effective vaccines against virus infection in record time, using technology based on the mRNA encoding a particular viral protein called Spike. The rapidity of…
