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Zika Virus
URL of this page: https://medlineplus.gov/zikavirus.html

Zika Virus

Also called: Zika
On this page

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Summary

Zika is a virus that is spread mostly by mosquitoes. A pregnant mother can pass it to her baby during pregnancy or around the time of birth. It can spread through sexual contact. There have also been reports that the virus has spread through blood transfusions. There have been outbreaks of Zika virus in the United States, Africa, Southeast Asia, the Pacific Islands, parts of the Caribbean, and Central and South America.

Most people who get the virus do not get sick. One in five people do get symptoms, which can include a fever, rash, joint pain, and conjunctivitis (pink eye). Symptoms are usually mild, and start 2 to 7 days after being bitten by an infected mosquito.

A blood test can tell whether you have the infection. There are no vaccines or medicines to treat it. Drinking lots of fluids, resting, and taking acetaminophen might help.

Zika can cause microcephaly (a serious birth defect of the brain) and other problems in babies whose mothers were infected while pregnant. The Centers for Disease Control and Prevention recommends that pregnant women do not travel to areas where there is a Zika virus outbreak. If you do decide to travel, first talk to your doctor. You should also be careful to prevent mosquito bites:

  • Use insect repellent
  • Wear clothes that cover your arms, legs, and feet
  • Stay in places that have air conditioning or that use window and door screens

Centers for Disease Control and Prevention

Start Here

  • About Zika Virus (Centers for Disease Control and Prevention)
  • Zika Virus Disease (World Health Organization)
  • Zika Virus Fact Sheet (World Health Organization) Also in Spanish

Symptoms

  • Zika Symptoms and Complications (Centers for Disease Control and Prevention) Also in Spanish

Diagnosis and Tests

  • Testing for Zika (Centers for Disease Control and Prevention) Also in Spanish
  • Zika Virus Test From the National Institutes of Health (National Library of Medicine) Also in Spanish

Prevention and Risk Factors

  • Find the Repellent that is Right for You (Environmental Protection Agency) Also in Spanish
  • Protect against Mosquito Bites when Traveling (Centers for Disease Control and Prevention) - PDF Also in Spanish

Treatments and Therapies

  • Treatment of Zika (Centers for Disease Control and Prevention) Also in Spanish

Related Issues

  • Congenital Zika Syndrome and Other Birth Defects (Centers for Disease Control and Prevention)
  • Zika Virus: Recommendations for Travelers and People Living Abroad (Centers for Disease Control and Prevention) Also in Spanish

Specifics

  • Zika Q&A (World Health Organization)

Statistics and Research

  • Countries and Territories at Risk for Zika (Centers for Disease Control and Prevention)
  • Zika Virus From the National Institutes of Health (National Institute of Allergy and Infectious Diseases)

Clinical Trials

  • ClinicalTrials.gov: Zika Virus From the National Institutes of Health (National Institutes of Health)

Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)

  • Article: Circadian misalignment potentiates blood-brain barrier disruption and mitochondria dysregulation in Zika...
  • Article: Perceptions, knowledge and guidelines developed by health professionals in the post-epidemic...
  • Article: Investigating the association between yellow fever vaccination and symptomatic acute Zika...
  • Zika Virus -- see more articles

Women

  • 5 Things to Know About Zika and Pregnancy (Nemours Foundation) Also in Spanish

Patient Handouts

  • Zika virus disease (Medical Encyclopedia) Also in Spanish

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Zika Virus

MEDICAL ENCYCLOPEDIA

  • Zika virus disease

Related Health Topics

  • Mosquito Bites

National Institutes of Health

The primary NIH organization for research on Zika Virus is the National Institute of Allergy and Infectious Diseases

NIH MedlinePlus Magazine

  • Progress against Zika

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The information on this site should not be used as a substitute for professional medical care or advice. Contact a health care provider if you have questions about your health.

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