Zika virus infection

An educational overview of Zika virus, a mostly mosquito-borne infection that is usually mild but is important in pregnancy because of risks to the developing baby.

Infectious DiseaseInfectious DiseaseObstetrics GynecologyFull article

Also known as: Zika, Zika virus disease

Educational information only. This explains health information to discuss with a qualified clinician; it is not a diagnosis, prescription, or treatment. Medical Information & Safety.

Overview

Zika virus is spread mainly by mosquito bites and is often mild or without symptoms. It is especially important in pregnancy because it can affect a developing baby. This is general educational information, not medical advice.

Symptoms

mild fever
rash
joint pain
red eyes

Causes

infection with Zika virus, mainly through mosquito bites

Risk factors

travel to or living in areas with Zika
pregnancy (for risks to the baby)

Prevention

mosquito-bite protection
travel and prevention guidance in pregnancy

Emergency warning signs

severe or unusual symptoms should be assessed urgently

Evaluation & tests

Educational note: clinicians use travel history and tests to assess Zika. This library does not diagnose.

Treatment education

Educational overview: care is supportive and individualized by clinicians. This library does not prescribe.

Self-care

General education: people who are pregnant or planning pregnancy should follow travel and prevention guidance from a clinician.

When to seek care

Seek care during pregnancy if Zika exposure is possible, or for symptoms after travel to an affected area.