Clear, trusted answers about Ebola — when it matters most
Corrections Policy
We are committed to factual accuracy. When we get something wrong, we correct it promptly and transparently.
Our commitment to accuracy
EbolaQuestions.com draws on CDC, WHO, FDA, and peer-reviewed literature as primary sources.
During the active 2026 DRC Ituri Province outbreak, clinical content is reviewed monthly — and
outbreak-specific pages are checked more frequently — against current WHO Disease Outbreak News
and CDC guidance. Despite these measures, errors can occur.
When a factual error is identified — whether by a reader, a clinician, or our own review process —
we correct it as quickly as possible. We do not silently remove incorrect content; we replace it
with the accurate information and note the correction where the change is material.
What qualifies as a correction
A correction applies to factual claims that are:
Directly contradicted by current CDC, WHO, or FDA source material
Based on data that has since been superseded (e.g., updated case counts, changed PHEIC status, revised treatment efficacy data)
Inaccurately attributed to a source
Materially misleading in a way that could affect health decisions or travel choices
Corrections do not apply to editorial judgments, matters of interpretation where reasonable
sources disagree, or content that is a matter of emphasis rather than fact.
How to submit a correction
If you believe a page contains a factual error, please contact us with:
The URL of the page containing the error
The specific claim you believe is incorrect
A link to the authoritative source (CDC, WHO, FDA, peer-reviewed journal) that contradicts it
We review all correction submissions and respond within 5 business days. If the error is confirmed,
we update the page and note when the correction was made. During an active outbreak, we prioritize
outbreak-related corrections and aim to respond within 48 hours.
Automated monthly review
All clinical pages are reviewed automatically on the first of each month. This process fetches
current CDC and WHO guidance, compares it against page content, and applies corrections where
authority sources directly contradict a specific claim. The "Last reviewed" date on each page
reflects the most recent review, whether automated or manual.
Found an error? Please contact us — we take every submission seriously.
Corrections Log
All material factual corrections made to published content are recorded here. Minor updates — such as routine monthly data refreshes, updated case counts, or rewording that does not change the substance of a claim — are reflected in the "Last reviewed" date on each page and are not individually logged.
Date
Page
Correction
No corrections on record. This log will be updated when any material factual correction is made.
The record: every correction made to this site
15 entries are logged for EbolaQuestions.com, plus 1 applied across the whole network — each traceable
to the change that made it.
The least flattering entries are the point of publishing this.
Corrected
Zabdeno/Mvabea vaccine status (treatment, prevention, outbreak, about and home pages)
What was published: The site described Zabdeno and Mvabea (Janssen) as a currently approved Ebola vaccine regimen alongside Ervebo — "Two vaccine products are currently approved."
What it says now: The European Medicines Agency records that the European Commission withdrew both marketing authorisations on May 1, 2026 at the request of Janssen-Cilag, "for commercial reasons," and that the product "had not been marketed in the EU." Ervebo is the only licensed Ebola vaccine. WHO's fact sheet, updated May 2026, still lists the regimen as approved; the pages now state the EMA register's position and note the disagreement.
Source: European Medicines Agency, Zabdeno and Mvabea EPAR pages (withdrawal of marketing authorisation, 01/05/2026); WHO Ebola disease fact sheet, May 2026
Corrected
Second U.S. citizen evacuated to Germany (Ebola in the U.S., 2026 outbreak and home pages)
What was published: The pages said one U.S. aid worker who tested positive in DRC had been medically evacuated to Germany.
What it says now: WHO reported a second U.S. citizen — a humanitarian worker — medically evacuated from DRC to Germany on July 13, 2026, before the pages' previous review date. Both were treated in Germany, both recovered, and both are counted among DRC's cases.
Source: WHO Disease Outbreak News 603 (May 22, 2026), 613 (July 17, 2026) and 617 (September 10, 2026)
Corrected
CDC travel notice level (prevention and travel-risk pages, related-topic cards)
What was published: The prevention page said CDC "has issued a Level 3 advisory" for the outbreak; the travel page's schema description and FAQ described a Level 3 warning for Ituri Province recommending avoiding nonessential travel; several related-topic cards repeated it.
What it says now: CDC's notice for Ituri and North Kivu provinces is Level 4, "avoid all travel"; Level 3 applies to Haut-Uélé and Tshopo; Level 2 to the rest of DRC and Uganda. The pages had not been updated when CDC raised the level.
Source: CDC Travel Health Notices and CDC Ebola Outbreak: Current Situation (page dated September 14, 2026)
Corrected
Bundibugyo candidate vaccine described as "preclinical" (prevention, treatment, research and 2026 outbreak pages)
What was published: Four pages said that "the first Bundibugyo-species-specific candidate vaccine entered preclinical testing" in July 2026, in the UK and Canada, under the WHO R&D Blueprint.
What it says now: The statement could not be verified against any WHO report or registry. ClinicalTrials.gov records NCT07737717, a Phase 1 placebo-controlled human trial of Moderna's mRNA-1469 in 84 adults at three Canadian sites, begun July 31, 2026 — a later stage than preclinical and a different claim. The pages now describe the registered trial.
Source: ClinicalTrials.gov NCT07737717 (record updated September 10, 2026); WHO Disease Outbreak News 615–617
Corrected
Fever threshold for early symptoms (symptoms page)
What was published: The dry-phase symptom list and FAQ gave the fever threshold as "≥38.6°C / 101.5°F", a figure from a 2014-era clinical case definition.
What it says now: CDC's current guidance for travelers returning from the outbreak area uses 38°C (100.4°F). A reader with a fever between the two values would have been told, in effect, to wait. The page now gives CDC's threshold.
Source: CDC, Information for Travelers Returning from Ebola-Affected Areas (September 11, 2026)
Corrected
PALM comparison-arm figure and Ervebo confidence interval (treatment page)
What was published: The August 7, 2026 correction gave the PALM trial's ZMapp comparison arm as "≈49.4%", a value that matches neither of the two comparisons the paper reports; the Ervebo card gave the ring-trial confidence interval as "63.5–100%" against "23 cases in controls".
What it says now: PALM (Mulangu et al., NEJM 2019): mAb114 61/174 (35.1%) vs ZMapp 84/169 (49.7%), P=0.007; REGN-EB3 52/155 (33.5%) vs the concurrent ZMapp subgroup 79/154 (51.3%), P=0.002. Ervebo: 0 vs 16 cases in the randomised rings, efficacy 100% (95% CI 68.9–100); 0 vs 23 across all 117 rings (95% CI 79.3–100).
Source: Mulangu S, et al. N Engl J Med 2019;381:2293, doi:10.1056/NEJMoa1910993; Henao-Restrepo AM, et al. Lancet 2017;389:505, doi:10.1016/S0140-6736(16)32621-6
Corrected
Duration of Ebola virus persistence in semen (transmission page)
What was published: The page said the virus "can persist in semen for up to 12 months after recovery," conflating WHO's 12-month safer-sex period with the measured duration of persistence.
What it says now: Viral RNA was detected in semen of 4% of men tested 16–18 months after discharge (Deen et al.), and WHO records sexual transmission documented up to fifteen months after recovery; the cohort data are now given month by month.
Source: Deen GF, et al. N Engl J Med 2017;377:1428, doi:10.1056/NEJMoa1511410; Thorson AE, et al. PLoS Med 2021, doi:10.1371/journal.pmed.1003273; WHO Ebola disease fact sheet, May 2026
Corrected
Wrong and non-existent citations (research page)
What was published: The 1977 Pattyn paper carried PubMed ID 985414, which resolves to an unrelated biochemistry article; the Urbanowicz, Bah, Uyeki, Henao-Restrepo and Gire entries linked to the wrong articles; and a citation to "Tully CM, et al., NEJM 2021" for the Janssen vaccine regimen does not correspond to any published paper.
What it says now: Every citation on the page was re-verified against PubMed and now carries its correct DOI and PubMed ID (Pattyn 1977 is PMID 65663). The non-existent citation was replaced with the regimen's actual phase 2 report, Pollard AJ, et al., Lancet Infect Dis 2021, doi:10.1016/S1473-3099(20)30476-X.
Source: PubMed E-utilities esummary/efetch, September 14, 2026
Corrected
World Bank GDP-loss figure misattributed (economic impact page)
What was published: The page attributed a "$2.2 billion combined" two-year GDP loss for Guinea, Liberia and Sierra Leone to a January 2015 World Bank update.
What it says now: The $2.2 billion figure is the World Bank's October 8, 2014 "Low Ebola" scenario estimate for West Africa as a whole for 2014 alone; the same scenario adds $1.6 billion for 2015, and the "High Ebola" scenario totals $32.6 billion. The page now gives the press release's own figures and Huber et al.'s $2.8–32.6 billion range.
Source: World Bank press release, October 8, 2014; Huber C, Finelli L, Stevens W. J Infect Dis 2018;218(suppl 5):S698, doi:10.1093/infdis/jiy213
Corrected
Revenue disclosure (How We Research page)
What was published: The page stated that the site "generates revenue through two disclosed mechanisms" and described Google AdSense advertising and Amazon affiliate links as live.
What it says now: Both were switched off network-wide and the About page already said so; this page had not been updated. It now states that the site earns nothing as of September 2026 and will say so on the day either changes.
Source: Site configuration (MONETIZATION_ENABLED = false); About page disclosures
Corrected
Outbreak counts on the history timeline
What was published: The 2022 Uganda entry gave "164 confirmed cases, 77 deaths", mixing confirmed and probable cases into one number and probable deaths into the other; the 2018–20 DRC and 2014–16 West Africa entries gave only WHO's totals; the 2007 Bundibugyo entry gave one of four published case counts as if it were the only one.
What it says now: Uganda 2022: 142 confirmed and 22 probable cases (164), 55 confirmed deaths, per CDC. Each timeline entry now names the source of every figure and shows CDC's and WHO's totals where they differ.
Source: CDC History of Ebola Outbreaks (reviewed May 29, 2026); WHO Disease Outbreak News 617; Wamala JF, et al. 2010; Roddy P, et al. 2012
Corrected
Outbreak species (~11 pages)
What was published: The 2026 DRC outbreak was described as being caused by a "novel variant." The error had propagated across roughly eleven pages including the homepage.
What it says now: Identified as Bundibugyo virus — an established ebolavirus species first identified in Uganda in 2007, not a new one.
What was published: Mortality figures from the PALM trial were misstated, including a 29-day mortality window.
What it says now: ZMapp comparison arm ≈49.4%; REGN-EB3 33.5%; mAb114 35.1%; the window is 28-day mortality (PALM trial, Mulangu et al., NEJM 2019). See the September 14, 2026 entry, which refines the comparison-arm figure to the published counts.
What was published: The 2026 outbreak section placed the outbreak in Uganda.
What it says now: Centred in the Democratic Republic of the Congo. The honest "no aggregate cost estimate yet" framing was kept rather than filled with an estimate.
What was published: Stored news items reproduced verbatim summary text from New York Times and BBC articles.
What it says now: All 42 stored summaries were removed retroactively across the news and archive sections of every spoke, and a headline-only policy adopted for those publishers going forward.
Entries begin in July 2026, when the network moved to a single repository and changes became
individually traceable. Earlier corrections were not logged in a citable form and are not
reconstructed from memory. The full network-wide log, including corrections on the other
sites, is on VirusQuestions.com.
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