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Start with the health authority responsible for your location, then check the World Health Organization (WHO) for international context. Before acting on or sharing a claim, verify who issued it, what evidence it cites, where and to whom it applies, and when it was updated. Outbreak guidance can change as officials learn more, so return to the current official source rather than relying on an old post or forwarded message.
How do I know if outbreak advice is reliable?
WHO’s practical prompt is: “Think critically and pause before sharing.” A claim’s popularity, urgency, or emotional force does not establish that it is accurate. Use these checks before acting on advice or passing it along:
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- Find the original source. Trace a screenshot, repost, or clipped quotation back to its author or issuing authority. WHO recommends asking, “Who is the author?” and “What is the source of the claims?” Check whether that source is qualified to address the issue and whether it shows the evidence behind its advice.
- Check the outlet. Ask, “Is this information outlet reliable?” Prefer current, official, evidence-based information. WHO names a country’s health ministry and a local health clinic as examples of trusted sources.
- Check the date and scope. Find the issue or update date, affected location and population, and the disease or exposure covered. Guidance for one place or group may not apply to another.
- Compare with the responsible authority. Confirm the claim against the public-health authority responsible for your location and situation. Use WHO for international context, not as a substitute for local instructions.
- Notice your reaction. WHO also suggests asking, “How do I feel about this piece of information?” A strong reaction is a reason to pause and verify—not proof that the claim is true.
WHO’s advice is to find the latest official and evidence-based health or scientific facts about a public-health issue or crisis. Do not treat an unsupported claim as an equal alternative to guidance grounded in public-health evidence.
Where can I find the latest official outbreak guidance?
Start with your national or local health authority
Look for the official health ministry, public-health department, or equivalent authority responsible for your location. Its instructions are the most relevant starting point for local measures. A local health clinic can help with personal questions or direct you to the appropriate service.
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Use WHO for international context
WHO Disease Outbreak News reports on selected confirmed and potential acute events of concern. WHO says the list is not exhaustive, so the absence of an event from the page does not establish that there is no local alert or instruction.
For U.S. information, check CDC resources
The U.S. Centers for Disease Control and Prevention (CDC) maintains a Current Outbreak List for events for which it has published web content; it is not a complete index of every outbreak or every local direction. CDC identifies its Health Alert Network (HAN) as its primary channel for cleared information about urgent public-health incidents.
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Follow disease-specific instructions
When a disease or suspected route of transmission is known, use the responsible authority’s guidance for that disease and situation. WHO notes that suspected transmission routes inform immediate control measures and links to disease-specific resources when a cause is known. Do not assume a precaution used for one outbreak applies to another.
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What should I do when advice conflicts or changes?
First compare the dates, jurisdictions, populations, and issues each source addresses. Two recommendations may differ because they concern different local conditions or groups; an older instruction may also have been superseded. Check whether the relevant authority explains what is known, what remains uncertain, and when it expects to update its advice.
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Outbreak communications evolve as understanding of the situation and community needs change. WHO advises timely communication that sets out knowns and unknowns and indicates when updates will be provided. State what the current authority recommends for the population and location it covers, and follow that source for changes rather than treating an earlier post as permanent guidance.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.When should I ask a health professional or authority?
Use a local clinic or the appropriate health authority for questions about your own risk, symptoms, exposure, or care. A general outbreak notice cannot determine your diagnosis or personal treatment. For prevention, testing, isolation, travel, treatment, or care decisions, follow current disease- and location-specific instructions from the responsible authority.
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