WHO says unsafe food still causes 1.5 million deaths a year

Unsafe food remains a major global health threat

The World Health Organization says unsafe food continues to exact a heavy global toll, causing 886 million illnesses and 1.5 million deaths each year. The new analysis, covering 194 countries from 2000 to 2021, underscores how contaminated food remains a widespread and persistent risk despite overall progress in some areas.

The WHO’s warning is not limited to acute infections. It also highlights the uneven geography of food-borne disease, the disproportionate danger to young children, and the economic damage that unsafe food causes well beyond hospitals and clinics.

According to the agency, children under five are nearly three times more likely to be at risk than the general population. That makes food safety not just a consumer issue but a core public-health challenge tied to child survival, sanitation, regulation and access to safer supply chains.

Where the burden is highest

The report says Africa and Southeast Asia account for nearly three-quarters of all cases of food-related illness and 60% of deaths worldwide. Those regional disparities suggest that gains in food safety have not been shared evenly, even as overall illness rates have fallen since 2000.

Biological hazards such as bacteria and viruses remain the dominant cause of food-borne illness, responsible for about 860 million cases in 2021. But the WHO analysis also points to a different pattern when fatalities are considered: chemical contamination causes a disproportionate share of deaths, with arsenic and lead identified as the leading non-biological culprits.

That distinction matters for policy. Efforts focused only on preventing microbial contamination will not address the full risk profile. Food safety systems must also monitor industrial contamination, environmental exposure and the handling of chemicals that can enter the food chain.

Climate and resistance add pressure

The WHO also warns that the problem is being intensified by two broader forces. Climate change can increase contamination risks, while antimicrobial resistance makes infections harder to treat. Together, those trends make food-borne disease more difficult to control even where baseline public-health systems are improving.

In practical terms, climate-linked heat, flooding and shifting weather patterns can affect food storage, spoilage and pathogen spread. At the same time, when resistant infections become more common, illnesses that were once manageable can become more severe, longer-lasting or more expensive to treat.

That means food safety is becoming more tightly linked to other global risk systems. It is no longer enough to treat it as a narrow regulatory issue confined to kitchens, markets and food plants. The new numbers place it in the same conversation as climate resilience, health-system preparedness and antimicrobial stewardship.

The economic cost is also large

Beyond illness and mortality, the WHO estimates that food-borne diseases cost the global economy $647 billion in lost productivity in 2021. That figure broadens the significance of the report. Unsafe food is not only a health burden; it also drags on labor markets, household income and national development.

For governments, the policy implication is direct: improving food safety is not simply a compliance exercise. It can reduce hospitalizations, protect children, preserve workforce participation and limit avoidable economic losses. For businesses, the data reinforce the value of supply-chain oversight and contamination control. For consumers, the report is a reminder that food safety failures remain common even in an era of more advanced monitoring.

The WHO’s message is blunt because the numbers justify it. Unsafe food still reaches hundreds of millions of people every year, and the consequences remain concentrated among populations with the least room to absorb them. Any serious response will need to address both infection risks and chemical exposures, while recognizing that the food system is now being stressed by climate change and drug resistance at the same time.

This article is based on reporting by Medical Xpress. Read the original article.