Microbiology

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Zika virus

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Microbiology

Definition

The Zika virus is a mosquito-borne flavivirus primarily transmitted by Aedes mosquitoes. It can also be spread through sexual contact, blood transfusion, and from mother to fetus during pregnancy.

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5 Must Know Facts For Your Next Test

  1. Zika virus can cause severe fetal brain defects such as microcephaly when a pregnant woman is infected.
  2. Common symptoms include fever, rash, conjunctivitis, and muscle pain, typically lasting for 2-7 days.
  3. There is no specific antiviral treatment for Zika; care focuses on relieving symptoms.
  4. In rare cases, Zika virus infection has been linked to Guillain-Barré syndrome, a condition that affects the nervous system.
  5. Preventative measures include mosquito control and avoiding mosquito bites in areas where Zika is prevalent.

Review Questions

  • What are the primary modes of transmission for the Zika virus?
  • Which severe birth defect is strongly associated with maternal Zika virus infection?
  • How does the Zika virus affect the nervous system in rare cases?
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