mutation

Mutation Madness: How and why SARS-CoV-2 keeps changing

by Sophia Swartzfigures by Shreya Mantri The first reports of a mysterious, pneumonia-like illness surfaced in early December 2019. Fast-forward to 2021, and the culprit—SARS-CoV-2, a virus a thousand times smaller than a speck of dust—has sickened…

Redesigning the polio vaccine - Lessons from evolution

Current polio vaccines have been successful in nearly eradicating polio in the world. Unfortunately, there have been emerging cases of polio in recent years. To combat this, scientists have designed a new oral poliovirus vaccine that could result in a…