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Australian study finds Giardia parasite reproduces sexually in humans, aiding spread and drug resistance.
Australian-led research has revealed that the Giardia parasite, which causes millions of infections annually, reproduces both sexually and asexually, resolving a decades-long scientific debate.
Using genetic analysis of 100 samples from humans, pets, and livestock, scientists found that while lab studies focused on an asexual strain, the more common sexual form exists in humans and likely aids genetic diversity, adaptation, and zoonotic spread.
This discovery helps explain drug resistance in about 20% of cases and could improve prevention and treatment strategies.
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Un estudio australiano encuentra que el parásito Giardia se reproduce sexualmente en humanos, ayudando a la propagación y a la resistencia a los medicamentos.