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Why do you need more than one dose of some vaccines?

Posted by: Blog Editor, Posted on: 20 July 2026 - Categories: immunisations
Healthcare worker in blue medical uniform administers a meningitis vaccination to a seated student at a temporary vaccination clinic on a university campus. Medical supplies and sharps containers are visible on tables, with additional healthcare staff and students in the background. The vaccination session took place at Canterbury University in Kent, UK, on 20 March 2026, following a recent meningitis outbreak

Many vaccines need more than one dose to provide protection. This blog post explains why multiple doses are sometimes needed, how vaccine schedules are determined, and what the evidence says about staying protected.

Read more of Why do you need more than one dose of some vaccines?

Could 'fridge-free' vaccines transform global immunisation?

Posted by: Blog Editor, Posted on: 13 March 2026 - Categories: Global health, immunisations, Science
Scientist holding a vaccine.

The World Health Organization (WHO) estimates that half of all vaccines produced worldwide never reach the people who need them. The reason? They lose their effectiveness before they can be used. Most vaccines must be kept cold from the moment …

Read more of Could 'fridge-free' vaccines transform global immunisation?

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  • How to watch the solar eclipse safely this summer 23 July 2026
  • Why do you need more than one dose of some vaccines? 20 July 2026

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