
International Day for Biological Diversity: Harmony between nature and ...
May 19, 2025 · This year’s International Day for Biological Diversity, on Thursday, 22 May 2025, highlights the inherent connections between people and the natural world through the theme, …
Anxiety disorders - World Health Organization (WHO)
Sep 8, 2025 · Anxiety disorders, like other mental health conditions, result from a complex interaction of social, psychological and biological factors. Anyone can have an anxiety disorder, but people who …
Biological weapons - World Health Organization (WHO)
Sep 6, 2018 · Biological and toxin weapons are either microorganisms like virus, bacteria or fungi, or toxic substances produced by living organisms that are produced and released deliberately to cause …
WHO prequalifies an additional novel oral polio vaccine, strengthening ...
Feb 13, 2026 · The World Health Organization (WHO) has prequalified an additional novel oral polio vaccine type 2 (nOPV2), further strengthening the global supply of a vaccine at the heart of efforts to …
Laboratory biosafety manual, 4th edition - World Health Organization …
Dec 21, 2020 · This fourth edition of the manual builds on the risk assessment framework introduced in the third edition. A thorough, evidence-based and transparent assessment of the risks allows safety …
Gender - World Health Organization (WHO)
Dec 17, 2025 · Gender interacts with but is different from sex, which refers to the different biological and physiological characteristics of females, males and intersex persons, such as chromosomes, …
Health products policy and standards
The catalogue of international reference standards for biological products is updated following the Expert Committee on Biological Standardization meetings. See below for the catalogue, listed in …
Mental health
Oct 8, 2025 · WHO fact sheet on mental health covering risks and protective factors, promotion and prevention, care and treatment, and WHO's work in this area.
Food safety - World Health Organization (WHO)
Oct 4, 2024 · Food safety fact sheet provides key facts and information on major foodborne illnesses, causes, evolving world and food safety and WHO response.
Biologicals - World Health Organization (WHO)
Biologicals are a class of medicines made from living cells taken from plants, animals or bacteria. These cells are use in creating many types of health care products, including vaccines. This group of …