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Malaria parasites transmitted via mosquitoes elicit a more effective immune response and cause less severe infection than those directly injected into red blood cells.

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image: Malarial Mosquitos Drawn to Human Smell

Malarial Mosquitos Drawn to Human Smell

By | May 17, 2013

Mosquitos infected by the malaria parasite are more likely to land on and probe a substrate laced with human body odor than their uninfected counterparts.

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image: Marlboro Chicks

Marlboro Chicks

By | December 5, 2012

Two species of songbirds pack their nests with scavenged cigarette butts that repel irksome parasites.

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image: Genomic Methylation Collector

Genomic Methylation Collector

By | October 22, 2012

A parasitic worm accumulates epigenetic DNA tags over its lifetime.  

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image: Frog-Killing Fungus Thrives

Frog-Killing Fungus Thrives

By | August 15, 2012

Global trade in live bullfrogs and a more volatile, changing climate worsen a deadly amphibian fungus.

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image: Jurassic Parasites

Jurassic Parasites

By | March 1, 2012

Fossilized fleas dating as far back as 165 million years provide clues of early flea evolution.

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image: Boozing for Better Health

Boozing for Better Health

By | February 16, 2012

Fruit flies consume alcohol to kill off parasites.

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image: Forced Feeding

Forced Feeding

By | February 1, 2012

Editor's choice in drug development

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image: Animal Mind Control

Animal Mind Control

By | January 1, 2012

Examples of parasites that manipulate the behavior of their hosts are not hard to come by, but scientists have only recently begun to understand how they induce such dramatic changes.

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image: Ladybug Zombies

Ladybug Zombies

By | October 31, 2011

Wasps inject their larvae into ladybug abdomens, where they feast on the bugs’ insides.

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