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Why is "1924 Los Angeles pneumonic plague outbreak" trending?

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  • Ranking position: #
  • Date: 2026-04-26 06:33:37

This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.

Based on Wikipedia pageviews and search interest, this topic gained significant attention on the selected date.

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1924_Los_Angeles_pneumonic_plague_outbreak entered the ranking for the first time today at position #. This is its highest position ever recorded.

Trend History

This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-04-26 and was most recently seen on 2026-04-26.

1924 Los Angeles pneumonic plague outbreak

Wikipedia Overview

The 1924 Los Angeles pneumonic plague outbreak was an outbreak of the pneumonic plague in Los Angeles, California that began on September 28, 1924, and was declared fully contained on November 13, 1924. It represented the first time that the plague had emerged in Southern California since plague outbreaks had previously surfaced in San Francisco and Oakland. The suspected reason for this outbreak was a rat epizootic where squirrels that were found to be plague infected were secondarily infected by rats. Due to the evidence of infected squirrels near San Luis Obispo County as late as July 1924 and the migration habits of both squirrels and rats, it is thought that squirrels were the original source of the plague outbreak in Los Angeles.

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