Does Zika have lasting effects on men?
The studies raise the possibility that Zika infection may have lasting impacts on men. The virus is already known for causing birth defects in developing babies.
Is Zika virus still a risk?
Zika virus (or Zika) is still a risk in many parts of the world. Zika is spread primarily through mosquito bites, but it can also spread through sex. A pregnant woman can pass Zika to her fetus, which can cause serious birth defects. Many people infected with Zika won’t have symptoms or will only have mild symptoms.
How does Zika virus affect the male reproductive system?
Moley and her colleagues watched what happened to the male reproductive systems in mice in the weeks after infection with the Zika virus. They found that the virus attacks cells that are responsible for building a barrier between sperm and blood. This barrier is critical because it hides the sperm from attack by the body’s own immune system.
What do we know about the Zika virus?
What we know. Zika virus disease is generally mild, and severe disease requiring hospitalization and deaths are uncommon. Zika infection during pregnancy can cause serious birth defects and is associated with other pregnancy problems.
How to prevent Zika from spreading?
2. Use Condoms (or Don’t Have Sex) During and After Travel. This will prevent spreading Zika through sex. The period of time during which you should use condoms after travel depends on your situation: Men with Pregnant Partners. Men Planning Pregnancy with Their Partners. Men Who Are Not Concerned About Pregnancy.
Why is it important to protect your partner during pregnancy?
It is important to help protect your partner throughout her pregnancy because: You may have been infected with Zika and not know it, since it often does not cause symptoms. There is no available test to know if you have Zika in your semen or how likely you are to pass Zika through sex.
How long does Zika stay in your semen?
Zika can stay in your semen and may be passed to your partner (and the fetus) for months after infection, even if you have no symptoms. If your partner becomes pregnant and infected with Zika, it can cause serious birth defects. For more about Zika risks and considerations.
What to do if your partner has Zika?
If you or your partner has symptoms of Zika or have concerns, talk to a doctor or other healthcare provider.
How to prevent mosquito bites?
1. Prevent Mosquito Bites During Travel and for 3 weeks After Your Return. Preventing mosquito bites while traveling will lower your chances of getting Zika from infected mosquitoes. Preventing mosquito bites after you return will lower your chances of spreading Zika to mosquitoes back home.
What to do if you are taking another medicine?
If you are taking medicine for another medical condition, talk to a doctor or other healthcare provider before taking other medicines.
Can you take ibuprofen if you have dengue?
Don’t take aspirin or other non-steroidal anti-inflammatory drugs (NSAIDS), like ibuprofen until a healthcare provider diagnoses your condition and can rule out the possibility that you have dengue. Dengue is another disease spread by mosquitoes that causes symptoms similar to Zika and can cause internal bleeding. NSAIDS can increase the risk of bleeding if you have dengue.
Can a woman pass Zika to her partner?
It’s not currently known if women can pass Zika to their sexual partners. Dr. Beigi said the risk of the virus is primarily for couples who are pregnant or planning to become pregnant.
Can a pregnant woman get Zika?
Women who are pregnant or soon to become pregnant can in turn pass the virus to their unborn children — and risk the development of several serious birth defects.
Do men need to be aware of the risks of Zika?
When it comes to the threat of the Zika virus, men need to be aware of risks as well.
Why do testes shrink in Zika?
The study out Wednesday found the same outcome, though the researchers think the testes shrink because Zika makes a direct attack on Leydig cells, slashing the production of testosterone.
What cells does Zika attack?
The newest study, released Wednesday by a team at Yale and the Howard Hughes Medical Institute, found that Zika attacked specialized cells called Leydig cells that produce the hormone testosterone and support sperm production.
Why is the testicle barrier important?
This barrier is critical because it hides the sperm from attack by the body’s own immune system. When the barrier is breached, the immune system comes in, and by about 21 days after infection, Moley says, very little of the internal architecture of the testes is left.
How does Zika spread?
Zika spreads through the bite of an infected Aedes mosquito -- the same type that carries dengue fever, chikungunya, and yellow fever. A pregnant woman who gets infected can pass the virus to their baby. You can also get it through sex, even if neither person has symptoms of the virus.
How long does Zika stay in your blood?
The virus usually stays in blood for about a week, but it can stay in other body fluids, like semen, long after that.
Why do scientists use mice to study disease?
He says typically, when scientists use mice to study disease, it’s because they see an effect in humans and want to study it more closely in an animal model. “What appears to have happened now is the opposite of that.
What are the symptoms of Zika?
A rash, fever, and chills are among the symptoms of Zika.
How worried should you be about the Zika virus?
According to the CDC, 153 travel-associated cases have been reported in the U.S. But that number likely only represents a small minority of the actual cases.
How long does it take to know if you have Zika?
Within a few months, doctors could have access to blood tests that can tell whether a person has Zika even if they aren’t showing symptoms, says Goodman.
Where is the Zika virus?
The Zika virus outbreak began back in May 2015, and is currently hitting places like South America, Central America, and nearby areas. (Find out Where the Zika Virus Is Active .)
Can Zika cause birth defects?
The mosquito-born Zika virus can cause serious birth defects when pregnant women are infected. But that doesn’t mean guys can ignore it.
Is Zika a birth defect?
Experts still have a lot to learn about the relationship between Zika and these birth defects—and why the virus is harmless for most adults. But some previous research shows viruses that are similar to Zika seem to pose a risk to fetuses because of their ability to attack stem cells while a baby’s brain is still developing.
Can you get Zika without symptoms?
Important note: These recommendations apply whether or not you’ve shown symptoms of Zika. It’s possible that someone without symptoms could transmit the virus, Dr. Goodman says.
Is it safe to pass Zika on to your partner?
So if you are planning to have a baby—and you’ve recently traveled to an affected country or intend to soon—passing Zika on to your partner is a legit concern. Experts just can’t say for sure what exactly the risk is, says Dr. Goodman.
How to reduce the risk of Zika?
If you or your partner is pregnant or trying to get pregnant, these tips may help lower your risk of Zika virus infection: Plan travel carefully. The CDC recommends that all pregnant women avoid traveling to areas where there is an outbreak of the Zika virus.
What mosquitoes carry Zika?
The mosquitoes that are known to carry the virus include two aedes species mosquitoes, which can be found throughout the world. When a mosquito bites a person who is already infected with the Zika virus, the virus infects the mosquito. Then, when the infected mosquito bites another person, the virus enters that person's bloodstream ...
How to prevent Zika virus?
Researchers are working on a vaccine for the Zika virus. For now, the best way to prevent infection is to avoid mosquito bites and reduce mosquito habitats.
What is the Zika virus?
Infection with the Zika virus is also called Zika, Zika fever or Zika virus disease. Women who are infected with the Zika virus during pregnancy have an increased risk of miscarriage. Zika virus infection during pregnancy also increases the risk of serious birth defects in infants, including a potentially fatal brain condition called microcephaly. ...
How to reduce mosquito bites?
If you are living in or traveling to areas where the Zika virus is known to be, take steps to reduce your risk of mosquito bites: Stay in air-conditioned or well-screened housing. The mosquitoes that carry the Zika virus are most active from dawn to dusk, but they can also bite at night.
What to do if you have Zika?
See your doctor if you think you or a family member may have the Zika virus, especially if you have recently traveled to an area where there's an ongoing outbreak. The U.S. Centers for Disease Control and Prevention (CDC) has blood tests to look for the Zika virus and other viruses spread by mosquitoes.
What are the factors that put you at greater risk of catching the Zika virus?
Factors that put you at greater risk of catching the Zika virus include: Living or traveling in countries where there have been outbreaks. Being in tropical and subtropical areas increases your risk of exposure to the Zika virus.
What is Zika?
The name “Zika” is the name of the forest in Uganda where the mosquito carrying the virus was first found many years ago. The Zika virus infection is usually mild and people rarely die of it. Only about 1 in 5 people who are infected with the Zika virus will actually get sick; however, infants born to mothers who are infected are at risk of having a serious birth defect called “microcephaly” or small head.
How does a person get infected with the Zika virus?
It is also possible for a person to become infected with the Zika virus through a blood transfusion. According to the Center for Disease Control (CDC), since 2016-2017, there are no reported cases transmitted by mosquitos in the United States. However, travelers are still at risk and other cases have been reported in countries such as Brazil.
What areas are affected by the Zika virus?
There are certain areas in South and Central America and the Caribbean, including the Commonwealth of Puerto Rico and the US Virgin Islands where there have been many cases of the Zika virus transmitted by infected Aedes mosquitos. The Center for Disease Control (CDC) reports that places where the Zika virus is found will likely change, as it spreads to new areas. You can see an up-to-date map of affected areas on the CDC website: http://www.cdc.gov/zika/geo/index.html
What can I do to avoid getting bitten by mosquitos that could be infected with the Zika virus?
Certain (infected) mosquitos such as the Aedes species can cause serious health problems. The best way to avoid getting sick is to not get bitten by an infected mosquito. Other ways to lower your risk of mosquito borne illness in affected areas include: