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Wed, Jul 15, 2026 · 53 stories · Confirmed · Subscribe
HEALTH

Manhattan Legionnaires Cluster Grows To 63 Cases In Five Days

New York City's health department says dozens of Upper East Side cooling towers tested positive for Legionella via PCR testing.

  • Confirmed cases climbed from 46 on July 9 to 63 by July 14, city data show.
  • The health department now publishes a public list naming every PCR-positive cooling tower system.
  • Legionella spreads through inhaled mist from cooling towers, never through contact between infected people.

Why it matters: A decade of mandatory tower registration didn't stop dozens of them from breeding the same bacteria again.

NYC Health Department (NYC.gov) - Legionnaires' Disease Upper East Side cluster page ↗ · Jul 15, 20267/15/26 · ✓ Checked✓ Check

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