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  Weapons of Mass Destruction: Nuclear weapons - Google Books

  https://books.google.de/books?id=ZzlNgS70OHAC

  Keine Beschreibung vorhanden.

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  Category:Diseases and disorders due to bacteria – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Diseases_and_disorders_due_to_bacteria?uselang=de

  Keine Beschreibung vorhanden.

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  Category:Bacteria – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Bacteria?uselang=de

  Keine Beschreibung vorhanden.

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  Category:Infectious diseases and disorders – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Infectious_diseases_and_disorders?uselang=de

  Keine Beschreibung vorhanden.

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  Typhus and Other Rickettsioses (15.05.2009)

  //doi.org/10.3238/arztebl.2009.0348

  Since mankind has existed, fleas and lice have been its permanent companions. In addition to the small volume of blood sucked and the allergic pruritus, these ectoparasites are important transmitters of communicable diseases. Fleas are well known for...

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