Despite considerable medical advancements in recent years, infectious diseases remain a leading cause of death worldwide. This is partially influenced by some pathogens’ ability to evolve and outsmart any defences we create to destroy them. For instance, we currently can’t eliminate viruses such as influenza as they continually evolve through a process called antigenic shift, creating new strains that render vaccinations ineffective.
However, it is not just evolving illnesses that we need to look out for. Certain diseases that were once thought almost eradicated are now making a resurgence. But why is this the case and how can we defend against them?
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