Start with the health authority responsible for your location, then check the World Health Organization (WHO) for international context. Before acting on or forwarding a claim, identify its author and evidence, check whether the source is reliable, and confirm when it was updated. Advice can change as an outbreak is investigated, so use current disease- and location-specific instructions rather than generic precautions.
How do I know if outbreak advice is reliable?
WHO recommends pausing before sharing information and asking: “Is this content reliable?” “Who is the author?” “What is the source of the claims?” and “Is the information outlet reliable?” Its advice is simple: “Think critically and pause before sharing.” (WHO: How to report misinformation online.)
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- Pause before acting or sharing. A claim’s popularity, emotional force, or repetition does not establish that it is accurate.
- Find the original source. Look past screenshots, forwarded messages, reposts, and clipped quotations. Identify the author or responsible authority and check what evidence the claim cites and whether that source is qualified to address the issue.
- Check the date and scope. Look for the publication or update date, the affected place and population, and the disease or exposure the advice covers. A notice for another jurisdiction or group may not apply to you.
- Compare it with responsible public-health authorities. Check the relevant national or local health authority. WHO recommends using current official and evidence-based sources; it names a country’s health ministry, WHO, and a local health clinic as examples.
- Follow the applicable instructions and check back. Use current guidance for the disease and location, and revisit the official source because recommendations may change as evidence develops.
- Get local help for personal questions. Contact a local health clinic or appropriate health authority about your own exposure, symptoms, risk, or care. A general outbreak notice cannot determine an individual diagnosis or treatment.
Where can I find the latest official outbreak guidance?
Start with the health authority for your location
Your national, regional, or local public-health authority is the place to check instructions that apply to your jurisdiction and circumstances. WHO’s advice to the public lists a country’s Ministry of Health and a local health clinic among examples of trusted sources (WHO: How to report misinformation online). Confirm that a page covers your location and the group or situation relevant to you.
Use WHO for international context
WHO Disease Outbreak News covers selected confirmed and potential acute events of concern. WHO states that the page is not an exhaustive list of its global response, so absence from the list does not establish that an event is irrelevant or that no local guidance exists. Check your own health authority for instructions that apply where you are.
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Use CDC resources for U.S. information
The U.S. Centers for Disease Control and Prevention (CDC) publishes a Current Outbreak List for events for which it has published web content; it is not a directory of every local alert. CDC describes its Health Alert Network (HAN) as its primary channel for distributing cleared information about urgent public-health incidents. These are U.S.-focused resources; people elsewhere should check the authority responsible for their location.
Follow disease-specific resources
When a cause or likely route of transmission is known, the appropriate precautions depend on 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 (WHO Disease Outbreak News). Do not assume that a precaution used for one outbreak is suitable for another.
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What should I do when advice conflicts or changes?
First check whether the sources are actually addressing the same place, population, disease, and time period. One instruction may have been superseded; another may apply to a different local situation. Compare the dates and the evidence each source cites, then follow the current advice from the authority responsible for your location.
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Outbreak guidance can evolve as officials learn more about an event and community needs change. WHO recommends timely communication that explains what is known and unknown and when further updates will be provided (WHO outbreak communication resources). CDC’s outbreak communication manual likewise recognizes that communication strategies evolve as understanding of the situation changes (CDC Crisis and Emergency Risk Communication manual).
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When sources disagree, do not treat unsupported claims as equally credible simply because they contradict official guidance. State what the relevant authority currently recommends, check whom and where the advice covers, and note any uncertainty the authority identifies. Return to that authority’s current page or alert for updates.
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A quick check before you share
- Can you identify the original author or responsible authority?
- Does the claim cite evidence or link to an official source?
- Is the source qualified and reliable for this health question?
- Is the information current and relevant to your location, population, and situation?
- Does it match current instructions from the responsible public-health authority?
- If important details are uncertain, does the source explain what is known and when it will update its guidance?
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