Quiz: Zika Facts Among Rumors, Myths and Conspiracy Theories


By: Staff

5 Min Quiz

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About This Quiz

There's a lot of misinformation about Zika out there. Do you know what's true and what's false? We'll start you off: Is it true Americans are immune to the Zika virus? Yes, this is a real rumor. No, Americans are not.

When was the Zika virus declared a global health emergency?

In February 2016, the World Health Organization issued a global health emergency about Zika.


How is the Zika virus transmitted?

All of these are ways the virus is spread.


A mosquito that spreads Zika infection is known as a what?

An infected mosquito does not cause Zika. That mosquito stores the virus and transmits it to you, which means it's a biological vector for the disease.


True or false: Zika may cause birth defects.

The Zika virus may cause severe birth defects.


What birth defect is Zika NOT associated with?

The Zika virus has been tied to microcephaly, eye abnormalities and other neurological problems in newborns. It's not known to cause congenital heart defects such as ASD.


What type of mosquito spreads the virus?

Infected <i>Aedes</i> mosquitoes (<i>A. aegypti </i>and <i>A. albopictus</i> species) spread the Zika virus.


True or false: Some species of<i> Aedes</i> mosquitoes also spread dengue fever, yellow fever and chikungunya viruses.

This is true. <i>A. aegypti</i> and <i>A. albopictus </i>also spread the dengue and chikungunya viruses.


From most attractive to least attractive, what shirt colors are <i>Aedes</i> mosquitoes attracted to?

In 1938, scientists discovered <i>Aedes </i>mosquitoes are most attracted to black and least attracted to white.


What time of day are <i>Aedes</i> mosquitoes more likely to bite?

These mosquitoes are active in the daytime, just like us, and are out for blood in the early morning and just before dusk.


What percentage of people who are infected with the Zika virus will have symptoms?

About 20 percent of people infected will have symptoms. Eighty percent may not show any signs and may not know they've been infected.


What port city is known as ground zero for Brazil's Zika outbreak?

Recife is in northeastern Brazil.


Unidentified as Zika, when was the first case of a mild viral infection with fever, rash and red eyes first reported in Brazil?

In February 2015, one year before the WHO issued a global health emergency, the first case of Zika infection was seen but not identified as such.


Where was the first case of Zika reported in the U.S. mainland?

The first reported case of Zika in the U.S. was in Texas.


What are the most common symptoms of Zika in nonpregnant adults?

Symptoms of Zika infection in adults typically include mild fever, muscle and joint pain and rash.


Conspiracy theory or fact: Releasing millions of mosquitoes genetically modified to fight dengue fever caused the Zika virus.

Although in 2011 a British company did release mosquitoes genetically modified to reduce the spread of dengue fever, there is no known link between these mosquitoes and the Zika virus.


What year was there a Zika outbreak in Australia?

There was an outbreak of Zika infection in Australia in 2007.


It's recommended a woman with symptoms of Zika should wait how long before trying to conceive?

The Centers for Disease Control and Prevention recommends women with Zika symptoms or who have recently visited a Zika-affected area wait eight weeks before trying to conceive.


If a man has symptoms of a Zika infection or has recently visited a Zika-affected area, how long is it recommended he should wait before trying to conceive?

The CDC recommends men with Zika symptoms wait six months before trying to conceive.


Conspiracy theory or fact: The increase in microcephaly was caused by vaccines for chickenpox and rubella.

There is no evidence of any associations between microcephaly and vaccines.


What is a possible complication of Guillain-Barre syndrome, which may be linked to Zika, in nonpregnant adults?

Guillain-Barre syndrome causes muscle weakness and tingling and may cause temporary or permanent paralysis.


One out of how many cases of Guillain-Barre syndrome is fatal?

GBS is fatal for one out of about 20 people.


True or false: South Korea developed insect repellant-infused tracksuits, pants and blazers for their athletes to wear during the opening and closing Olympic ceremonies at Rio 2016.

It's true. Similarly, the U.S. Army has chemically treated combat uniforms this way since 2013.


How did Zika get its name?

The Zika virus is named for the Zika forest in Uganda, where it was discovered in monkeys in 1947.


Conspiracy theory or fact: The Rockefeller Foundation patented the Zika virus in 1953.

The virus was first discovered at a Rockefeller Foundation-supported research institute in Uganda, but the foundation does not hold a patent on the virus.


Where did the USA swimming team relocate its Rio 2016 pregame training camp to, from Puerto Rico?

The team relocated its pre-Olympic training camp to Atlanta, citing Zika concerns.


During what year was there a Zika outbreak in French Polynesia?

An estimated 20,000 people were infected with Zika in French Polynesia in 2013.


Where do Zika-carrying mosquitoes lay their eggs?

The standing water doesn't need to be any larger than a bottle cap.


Which British long jumper had his sperm frozen before competing at the Rio Olympics in 2016?

British long jumper Greg Rutherford decided to freeze his sperm over fears of Zika infection while in Rio.


Which ingredient offers protection from Zika-carrying mosquitoes but is not recommended for pregnant women?

According to the CDC, OLE is effective against Zika. But, says the Environmental Working Group, because it shouldn't be used on kids under age 3, pregnant women should avoid it.


Conspiracy theory or fact: The Zika virus is part of a pharmaceutical company agenda to boost vaccine sales.

That's a conspiracy theory. The Zika virus is not known to be part of a large plan to make money selling vaccines.


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