30 for 30 – Day 28 | Video 28 Calf health is a balance: immunity vs infection pressure Think of calf health like a see-saw. On one side is infection pressure. On the other is immunity. Vaccines are one of the key tools we use to help stimulate and train the immune system — but they only work properly when used correctly. Key vaccine principles: • Maintain the cold chain • Use the correct dose and route • Get timing right • Work closely with your own vet • Build a farm-specific vaccination plan —

Here's how herd immunity works. 👥👥👥 To safely achieve herd immunity against #COVID19, a substantial proportion of a population would need to be #vaccinated. #ViralFactsAfrica | World Health Organization African Region