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WHO and UNICEF report shows 13.5 million zero-dose children in 2025; WHO issues dementia risk-reduction guidance
Summary
A joint WHO-UNICEF immunization report estimates about 13.5 million children received no vaccines in their first year in 2025, while WHO released guidelines stating up to 45% of dementia risk is attributable to modifiable behaviors and recommending lifestyle interventions.
The spokesperson highlighted a joint WHO-UNICEF report on immunization coverage that estimates roughly 13,500,000 children received no vaccines in their first year in 2025 (described in the briefing as "zero-dose" children), a decline of about 750,000 from the previous year.
The briefing said 100 countries have maintained at least 90% coverage of the three-dose DTP vaccine since 2019, while 65 countries are stagnating or falling behind, including 13 fragile, conflict-affected countries that host more than half of all zero-dose children. WHO and UNICEF called on governments and partners to strengthen immunization programs and counter false and misleading information.
Separately, WHO released updated guidelines on reducing risk for cognitive decline in dementia. The briefing noted more than 57,000,000 people live with dementia worldwide and that WHO guidance indicates up to 45% of dementia risk may be attributable to modifiable behaviors such as social isolation and physical inactivity. WHO recommended cognitive training, stimulation and increased social engagement as part of risk-reduction strategies.
When asked where to find the immunization report, the spokesperson directed reporters to who.int for the full document.
