India, Feb. 12 -- Imagine a single intervention that can reduce poverty, lower greenhouse gas emissions, tackle antibiotic resistance, and cut pandemic disease risk. Sounds too good to be true? India has already witnessed the transformative power of vaccines in human health. Childhood immunisation has saved millions of lives, strengthened families, and accelerated economic progress. But another immunisation gap is hiding in plain sight - one that affects not only animals, but rural incomes, climate goals, antimicrobial resistance, and global health security - animal vaccines.

India has more cattle than China, the European Union, and the US combined. Livestock are central to our economy. India is the world's largest producer of milk and o...