Mosquitoes spreading Zika virus in parts of U.S.: CDC

March 8, 2018

(HealthDay)—Zika infections are on the rise in parts of the United States where mosquitoes spread the virus, according to the U.S. Centers for Disease Control and Prevention.

The CDC reported 5,168 cases of Zika-related illness in 2016.

Of those cases in 50 states and Washington, D.C., more than 90 percent were in people who had visited Zika-risk outside of the continental U.S., especially the Caribbean. But 224 people were infected with Zika from local mosquitoes in small areas of Florida and Texas in 2016.

The CDC reported no locally transmitted Zika cases in the United States during 2015.

The report by Dr. Victoria Hall, of the CDC's Epidemic Intelligence Service, and colleagues was published in the March 9 issue of the agency's Morbidity and Mortality Weekly Report.

The CDC advises people who live in or travel to areas with Zika risk to protect themselves against mosquito bites and sexual transmission of the virus.

The researchers also said that rapid identification and investigation of Zika cases, especially where it is being spread by mosquitoes, may help officials target mosquito-control programs to reduce its spread.

Zika infection during pregnancy can cause several birth defects, including microcephaly, an abnormally small head and brain.

In January, the CDC reported that about three of every 1,000 newborns in 15 U.S. states and territories had a birth defect possibly caused by Zika infection.

The agency also reported a 21 percent increase in likely caused by Zika between the first and second halves of 2016 in southern Florida, part of south Texas and Puerto Rico. All three areas had local transmission of the virus that summer.

However, it's not clear if those increases were caused by local transmission of Zika alone, or if other factors contributed, the researchers said.

The CDC recommends test patients for Zika if they have symptoms of the infection and either live in or have visited areas where it is an ongoing problem. In addition, patients who have had unprotected sex with someone who lives in or traveled to those areas should also be tested.

Explore further: 2016 saw increase in birth defects potentially linked to Zika

More information: The U.S. Centers for Disease Control and Prevention has more on Zika.

Related Stories

2016 saw increase in birth defects potentially linked to Zika

January 29, 2018
(HealthDay)—From the first half of 2016 to the second half of 2016, there was an increase in the number of birth defects potentially related to Zika virus infection, according to research published in the Jan. 26 issue ...

CDC shutters command center for Zika monitoring

October 3, 2017
With Zika waning in the Caribbean and South America, the Centers for Disease Control and Prevention announced on Friday that the federal agency was deactivating the command center for monitoring and coordinating emergency ...

Florida confirms first Zika infection from mosquito for 2017

October 12, 2017
Florida health officials are reporting the state's first case this year of the Zika virus transmitted by a mosquito.

Texas announces first local Zika case (Update)

November 28, 2016
Texas has announced its first case of local Zika virus, making it the second US state after Florida to say it likely has mosquitoes spreading the disease that can cause birth defects.

Texas resident is infected with Zika after Miami trip

August 16, 2016
A person in Texas has contracted Zika after traveling to a part of Miami where local mosquitoes are spreading the virus, which can cause birth defects, officials said Monday.

Florida reports 3 Zika cases in Miami as CDC says virus increased birth defects

March 3, 2017
On the heels of a new study from the Centers for Disease Control and Prevention showing that Zika has increased the rate of birth defects in the United States, Florida health officials on Thursday reported three more cases ...

Recommended for you

Metabolite therapy proves effective in treating C. difficile in mice

March 20, 2018
A team of UCLA researchers found that a metabolite therapy was effective in mice for treating a serious infection of the colon known as Clostridium difficile infection, or C. difficile.

Sick air travelers mostly likely to infect next row: study

March 19, 2018
People who fly on airplanes while contagious can indeed get other people sick, but the risk is mainly to those seated next to them or in the adjacent row, US researchers said Monday.

Study of COPD patients has created a 'looking glass' into genome of pathogen

March 19, 2018
Decades of work on chronic obstructive pulmonary disease (COPD) at the University at Buffalo and the Veterans Affairs Western New York Healthcare System have yielded extraordinary information about the pathogen that does ...

Newly described human antibody prevents malaria in mice

March 19, 2018
Scientists have discovered a human antibody that protected mice from infection with the deadliest malaria parasite, Plasmodium falciparum. The research findings provide the basis for future testing in humans to determine ...

A multimodal intervention to reduce one of the most common healthcare-acquired infections

March 16, 2018
Surgical site infections are the most frequent health care-associated infections in developing countries. According to the World Health Organization (WHO), this type of infection can affect up to one-third of surgical patients ...

After infection, herpes lurks in nerve cells, ready to strike—New research reveals what enables the virus to do so

March 15, 2018
Once herpes simplex infects a person, the virus goes into hiding inside nerve cells, hibernating there for life, periodically waking up from its sleep to reignite infection, causing cold sores or genital lesions to recur.


Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.