Immune interference – why even 'updated' vaccines could struggle to keep up with emerging coronavirus strains
- Written by Matthew Woodruff, Instructor, Lowance Center for Human Immunology, Emory University
Nurse Natalie O'Connor loads syringes with the Moderna COVID-19 vaccine in February 2021.Joseph Prezioso/AFP via Getty ImagesDespite the success and optimism of the new COVID-19 vaccination campaigns being rolled out worldwide, the emergence of new viral strains threatens to undermine their effectiveness. Indeed, South Africa has been forced to...


