How many doses end up in the bin?

StatsWales publishes Covid-19 vaccine wastage statistics.

According to Our World of Data, over six billion doses of Covid-19 vaccines went into arms. In an operation of this scale, some doses will go unused. A recent Telegraph headline stated: “UK to throw 800,000 AstraZeneca doses in the bin after take-up falls”.

The US Centers for Disease Control and Prevention identifies four reasons for wastage:

  1. Vaccine storage units spend too long outside a specific temperature range.