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Several possible studies

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Pneumonic plague: What to know about the deadly infection slug | CNN (opens in a new tab)

cnn.com · 2026-10-05

Short answerEvidenceSource

Short answer

Several possible studies

No clear answer.

More than one paper fits the article's details, and none fits well enough to single out. Checking claims against the wrong study would be worse than not checking them at all.

Checked against the study summary. The full text wasn't available, so some details couldn't be settled either way.

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NewsLink checks it

Several studies could be the source of this story.

More than one paper fits the article's details, and none fits well enough to single out. Checking claims against the wrong study would be worse than not checking them at all.

Open claim evidence
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Several studies could fit.

More than one paper fits the article's details, and none fits well enough to single out. Checking claims against the wrong study would be worse than not checking them at all.

Source paper

Source layer

The 3 papers the story cites

Source study separated from background citations.

The research anchor for the report.

Related research

Research nearby

The papers it could be

Nearby papers when the source is unclear.

and 13 more considered

Then inspect each claim

Evidence layer

Claim by claim

What the story asserts. With no source study, there is nothing to check these against.

Claim 1 of 5Not checkedA 28-year-old lab researcher at a Russian institute dedicated to studying plague and dangerous pathogens died of pneumonia of an unknown origin, prompting questions about pneumonic plague.View evidenceHide evidence

Not checked

NewsLink could not identify one source study, so this claim was not compared against a paper.

Claim 2 of 5Not checkedPneumonic plague is a rare, deadly lung infection caused by the bacterium Yersinia pestis and is considered the most dangerous form of plague.View evidenceHide evidence

Not checked

NewsLink could not identify one source study, so this claim was not compared against a paper.

Claim 3 of 5Not checkedPneumonic plague is the only form of plague that passes directly from person to person, spread by respiratory particles when an infected person coughs or sneezes.View evidenceHide evidence

Not checked

NewsLink could not identify one source study, so this claim was not compared against a paper.

Claim 4 of 5Not checkedSymptoms can begin within 24 hours and, without treatment, pneumonic plague is nearly always deadly; antibiotics given within the first 24 hours offer the best chance of survival.View evidenceHide evidence

As statedwithin 24 hours; 10 to 14 days of antibiotics

Not checked

NewsLink could not identify one source study, so this claim was not compared against a paper.

Claim 5 of 5Not checkedWHO does not recommend vaccination for most people, except for high-risk groups such as laboratory personnel who are constantly exposed to contamination risk.View evidenceHide evidence

Not checked

NewsLink could not identify one source study, so this claim was not compared against a paper.

Finally, the search trail

Method layer

No single source study was found.

NewsLink still surfaces nearby research so you can inspect the field instead of a single paper.

Nearby research

No exact source, but these papers are close.

PubMed, Europe PMC, Crossref · 15 candidate papers

And 10 more candidates considered.