Articles for tag: vaccines

The Science of Herd Immunity — and Why It’s Harder Than It Sounds

The Science of Herd Immunity — and Why It’s Harder Than It Sounds

Annette Uy

Imagine a world where one sick person can’t spark a wildfire of illness—where community itself acts as a shield. That’s the powerful promise of herd immunity, a concept that sounds almost magical and yet is rooted in hard science, numbers, and the messy unpredictability of human behavior. But what if the very thing that should ...

Why the Flu Shot Changes Every Year: Inside the Science of Viral Guesswork

Why the Flu Shot Changes Every Year: Inside the Science of Viral Guesswork

Annette Uy

Imagine if every autumn, you needed a brand-new shield to protect yourself from a sneaky, ever-changing enemy. That’s the reality for everyone who faces flu season each year. The flu shot you get this year isn’t the same as last year’s—and next year’s will be different, too. Why? Because influenza is a master of disguise, ...

How mRNA Technology Is Reshaping the Future of Flu Vaccines

How mRNA Technology Is Reshaping the Future of Flu Vaccines

Annette Uy

Imagine a world where catching the flu becomes as rare as spotting a unicorn in your backyard. It sounds almost magical, yet science is inching us closer to that reality. For decades, the annual flu shot has felt like a stubborn ritual—sometimes it works wonders, other times not so much. But recently, a scientific revolution ...