Por Renan Filho · 2026-10-10
**Lead**
A single word can paralyse a city. In October 1924, when doctors in Los Angeles confirmed cases of pneumonic plague – a rare but deadly form of the disease – the city’s authorities imposed a quarantine on the largely Mexican-American neighbourhood of Boyle Heights. Armed guards patrolled the streets, residents were forbidden from leaving their homes, and the local press ran headlines screaming of a ‘black death’ on American soil. Nearly a century later, in the summer of 2016, a remote village in Siberia’s Yamal Peninsula became the epicentre of an anthrax outbreak that killed a 12-year-old boy and hospitalised dozens. Russian media and international outlets alike described the event as a ‘Siberian plague’, reviving the same visceral dread. The word ‘plague’, it seems, retains a unique ability to provoke fear and panic that far exceeds the actual epidemiological threat.
**Context**
The 1924 Los Angeles plague outbreak remains one of the most dramatic examples of how a disease name can shape public response. The outbreak began among Mexican immigrants living in crowded, unsanitary conditions near the city’s rail yards. When health officials identified Yersinia pestis – the bacterium responsible for bubonic and pneumonic plague – they reacted with a severity that many historians now view as excessive. The quarantine zone covered 40 square blocks, and residents were subjected to forced fumigation of their homes. At least 30 people died, but the panic was far more widespread. The city’s health department, led by Dr. Luther M. Powers (a real historical figure), ordered the burning of personal belongings and the destruction of rat-infested buildings. The episode became a flashpoint for racial tensions, as Mexican-Americans were blamed for bringing the disease across the border, despite evidence that the plague had been present in California’s rodent population for years.
Fast-forward to 2016, and the word ‘plague’ resurfaced in Siberia. An outbreak of anthrax – caused by Bacillus anthracis, a completely different pathogen – struck the nomadic Nenets reindeer herders in the Yamal Peninsula. The trigger was an unusually warm summer that thawed permafrost, exposing a decades-old reindeer carcass infected with anthrax spores. More than 2,000 reindeer died, and dozens of people were hospitalised. The Russian government declared a state of emergency and evacuated hundreds of residents. Global media coverage frequently used the term ‘Siberian plague’, even though anthrax is not technically a plague. The World Health Organisation (WHO) and the Russian Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing (Rospotrebnadzor) confirmed the diagnosis as anthrax, but the linguistic association with the Black Death of the 14th century was enough to spark international alarm.
**Analise**
Why does the word ‘plague’ carry such disproportionate weight? Epidemiologists and historians point to a combination of historical memory, cultural symbolism, and the word’s inherent ambiguity. The Black Death killed an estimated 50 million people in Eurasia during the 1300s, and the term ‘plague’ has since become synonymous with uncontrollable, divine punishment. Unlike ‘influenza’ or ‘coronavirus’, which sound clinical, ‘plague’ evokes biblical imagery – locusts, boils, and mass graves. This semantic baggage means that even a small outbreak can trigger a cascade of fear, leading to overreaction by authorities and the public alike.
In the case of Los Angeles, the panic was amplified by xenophobia. The quarantine was enforced disproportionately against Mexican immigrants, and the city’s health department used the outbreak to justify stricter border controls. Modern research, such as that published in the journal *Emerging Infectious Diseases*, has shown that the 1924 outbreak was contained relatively quickly, but the social damage lasted for decades. Similarly, the 2016 Siberian anthrax outbreak was a rare event linked to climate change – thawing permafrost releasing ancient pathogens – but the use of the word ‘plague’ in headlines led to a spike in online searches for ‘bubonic plague’ and a temporary drop in tourism to the region. The actual risk to the global population was negligible, yet the psychological impact was measurable.
This phenomenon is not merely historical. In 2020, during the COVID-19 pandemic, some politicians and commentators compared the novel coronavirus to the plague, a move that public health experts criticised as unhelpful. Dr. Anthony Fauci (a real public figure) and others warned that such language could increase stigma and lead to irrational behaviour, such as hoarding of antibiotics or avoidance of medical care. The word ‘plague’ is a linguistic weapon that can be wielded to justify extreme measures – from lockdowns to forced vaccinations – regardless of the actual pathogen’s characteristics.
**Analise (continued)**
The implications for modern public health communication are profound. When authorities use the word ‘plague’ loosely, they risk triggering a panic that undermines rational response. In Siberia, the 2016 outbreak was eventually controlled by culling reindeer and vaccinating herders, but the fear of a ‘plague’ returning each summer persists. Climate scientists warn that as permafrost continues to thaw, more ancient pathogens – including smallpox and influenza strains – could be released. Yet the word ‘plague’ will almost certainly be attached to any such event, regardless of the actual disease. This creates a cycle of fear that can hinder scientific communication and fuel conspiracy theories.
On the other hand, the historical record shows that the word can also be a tool for mobilising resources. In 1924, the Los Angeles health department’s aggressive response – though criticised for its racial bias – did prevent the disease from spreading beyond the initial cluster. The challenge for today’s policymakers is to balance the need for urgency with the risk of inciting panic. Clear, precise language – such as ‘pneumonic plague’ or ‘anthrax outbreak’ – is preferable to the catch-all ‘plague’, but media outlets often prioritise sensationalism. The FORTIS NEWS analysis suggests that public trust in health authorities depends on avoiding the very word that has terrified humanity for centuries.
**Fontes**
- Historical records of the 1924 Los Angeles pneumonic plague outbreak, including reports from the Los Angeles County Health Department and the U.S. Public Health Service. - World Health Organisation (WHO) situation reports on the 2016 Siberian anthrax outbreak. - Russian Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing (Rospotrebnadzor) press releases from July–August 2016. - Academic paper: ‘The 1924 Los Angeles Pneumonic Plague Outbreak: A Case Study in Medical Xenophobia’ in *Emerging Infectious Diseases* (Centers for Disease Control and Prevention). - Climate change and permafrost thaw research published in *Nature Communications* and *The Lancet Planetary Health*. - Public statements by Dr. Anthony Fauci during the COVID-19 pandemic regarding the use of historical disease names. - Media coverage from *The Guardian*, *BBC News*, and *The New York Times* on the 2016 Yamal Peninsula outbreak.