Sentences with phrase «when zika»

Plus, other viruses can cause the test to be positive, even when Zika is not present.
Since early last year, when the Zika virus arrived in Florida, 1,329 local and travel - related cases have been confirmed in the state.
Research done decades ago when the Zika virus was first identified showed that the virus does not replicate within run - of - the - mill laboratory mice.
The current outbreak of Zika infection in South and Central America is the focus of much research and a paper published in the journal Science has attempted to work out when Zika virus first arrived in Brazil.
The researchers show that when the Zika virus enters these stem cells, it hijacks MSI1 for its own replication and damages the cells in at least two ways.
This has allowed the scientific community to respond quickly when the Zika virus threat emerged.
Since 2016, when Zika was declared by the World Health Organization as a public health emergency of international concern, the virus has become established in more than 80 countries, infected millions of people, and left many babies with birth defects (collectively called congenital Zika syndrome).
«We worked on the dengue virus 20 years ago, and when Zika popped up in the news, we knew immediately that the two mosquito - borne viruses were related members of the flavivirus family,» Robert Linhardt, Ph.D., says.
All of the unknowns make it hard to predict when Zika will reemerge.
«When Zika broke into the main media in the U.S., especially the [World Health Organization] and [U.S. Center for Disease Control and Prevention] recommendations, Airbnb took a really proactive approach to inform any guest of any recommendations» from the agencies, stresses Tristao.

Not exact matches

Originally identified in 1947 in Uganda, Zika was relatively unknown until 2007, when there was an outbreak of the virus in Micronesia.
Inovio began work on a Zika vaccine in the fourth quarter of 2015, when it also began testing in animals.
Other pain points included drug pricing and how approving more generics may affect costs (Gottlieb parried that question by noting the FDA doesn't have the authority to negotiate prices or consider pricing when approving a drug) and his alleged softness on opioid drug makers due the aforementioned financial ties and pro-industry ideology (the nominee noted that he considers opioid addiction and overdoses a public health crisis «on the order of Ebola and Zika»).
Mothers who have contracted the Zika virus breathe a huge sigh of relief when their baby is born without any signs of the abnormal head size at birth.
If either of you may potentially have been exposed to Zika but you're not sure and you haven't been tested, it's best to wait at least 8 weeks from when you may have been exposed.
Because there is no known time in pregnancy when an infection poses a higher or lower risk, travel to Zika prone areas is discouraged even if you are not yet pregnant but may possibly become so.
The possibility that the Zika virus causes microcephaly — unusually small heads and damaged brains — emerged only in October 2015, when doctors in northern Brazil noticed a surge in babies with the condition.
Long Islanders who have traveled to regions affected by the Zika outbreak are being urged to take precautions when they return so the disease is not transmitted locally.
Findings showed that when the virus was in an environment without blood, these methods of inactivating Zika, except pH 4 and pH 10, were largely effective, but in environments where virus was associated with blood, the results were dramatically different.
Microbac's research also found that bleach and peracetic acid were not as effective in killing Zika virus when the virus is associated with blood.
«Zika can survive on hard, non-porous surfaces for as long as eight hours, possibly longer when the environment contains blood, which is more likely to occur in the real world,» said the study's lead researcher S. Steve Zhou, Ph.D. «The good news is that we found that disinfectants such as isopropyl alcohol and quaternary ammonium / alcohol are generally effective in killing the virus in this type of environment and can do so in a little as 15 seconds.»
Many people might not have heard of the Aedes aegypti mosquito until this past year, when the mosquito, and the disease it can carry — Zika — began to make headlines.
The overlap in gene expression changes when neural progenitor cells are infected by African or Asian strains of Zika virus.
When Thomas Monath, an expert on vaccines combating mosquito - borne diseases, thinks about developing an inoculation against Zika virus, he has a major concern: Guillain — Barré syndrome.
When it reaches the brain, Zika virus infects neuronal stem cells, which will generate fewer neurons, and by inducing chronic stress in the endoplasmic reticulum, it promotes apoptosis, i.e. the early death of these neuronal cells.
In a third study reported in Nature, researchers from more than two dozen institutions followed a trail of genetic clues to determine when and how Zika made its way to Florida.
The scientists were most surprised by the fact that the Zika virus helicase undergoes significant conformational change when encountering its genomic RNA.
In 2016, the US Centers for Disease Control and Prevention (CDC) recommended that public health officials trigger epidemic intervention when two non-familial locally - acquired cases of Zika are reported in an area.
When given to mice rendered vulnerable to Zika, the antibody protected them from developing serious infections.
When an epidemic outbreak — such as those caused by the H1N1, Zika or SARS viruses — takes place, containment measures may seem to be the most reasonable solution.
The similarities are fueling concern among global health experts that the U.S. could face its own Zika outbreaks — the question is when.
When the researchers injected mice with antibodies from vaccinated people in the study, the animals were protected against subsequent exposure to Zika virus, unlike mice that were injected with antibodies from participants who received placebo.
Haddow, who studies how pathogens survive in the jungle and emerge when humans encroach, had a great personal interest in Zika: His grandfather, Alexander Haddow, was one of three scientists who had isolated the virus from a rhesus monkey in the Zika Forest near Entebbe, Uganda, in 1947 and described it in a paper in 1952.
Upstate Medical University researcher Anna Stewart Ibarra, Ph.D., M.P.A., and her colleagues have created a mathematical model that can serve as a guide to make monthly predictions on when people are at greatest risk for contracting mosquito - borne viruses, such as dengue, Zika and chikungunya, due to climate conditions.
Akiko Iwasaki, a Howard Hughes Medical Institute investigator and immunologist at Yale School of Medicine, and her colleagues were interested in studying what happens to fetuses when moms are sexually infected with Zika virus.
Zika is not new to the U.S. Even as early as 2007, when the mosquito - borne disease had its first large outbreak in the Pacific island nation of Micronesia, the virus directly touched the U.S. — sickening one American traveler.
Our Zika vaccine showed promising safety profile in mice when compared with clinically approved live - attenuated vaccines, such as the yellow fever vaccine,» Shi said.
However, the team found that the Zika virus is more thermally stable than the dengue virus, and is also structurally stable even when incubated at 40 degrees Celsius, mimicking the body temperature of extremely feverish patients after virus infection.
This study also does not address the question of whether the vaccines work when pregnant women are infected with Zika through sexual contact.
Zika made international headlines when it was linked to an epidemic of babies born with microcephaly in Brazil.
They note that the rubella epidemic of the 1960s, when tens of thousands of babies were born with congenital rubella syndrome in the United States, can provide important lessons learned that may be directly applicable to Zika research.
«When it comes to responding to this public health threat, the results do show that the public is supportive of policy approaches designed to prevent the spread of Zika in the United States.»
She also advises against nonessential travel to areas affected by Zika, including South and Central America, and recommends checking the CDC website for the latest updates when planning a trip.
Just because temperatures are cooling down as winter approaches, it's no time to let your guard down when it comes to mosquitoes that can carry the Zika virus.
When the assay was run on patients infected with Zika virus and also on a control group of 540 patients infected by other flaviviruses or other viruses, plus healthy donors, the specificity was 95.9 percent.
These scenarios assumed that Zika transmission would not decrease during the winter months, that preventive measures to protect against mosquito bites would not be taken, that anyone who was infected with Zika would have symptoms when they returned to their home countries, that people who were infected would return home immediately and that the home countries would not use precautions to prevent mosquito bites in their home countries.
If the outbreaks are just the result of environmental changes, perhaps Zika was always capable of causing serious effects, but they were rare in small populations and only became obvious when the virus hit a lot of people.
«Because people usually don't have symptoms, we mostly care about Zika when it goes into the community of reproducing females,» he says.
(Case in point: On June 28, political disputes once again derailed vaccine research support when the U.S. Senate blocked a $ 1.1 billion Zika bill.)
Using the RNAi and CRISPR / Cas9 screening technologies they'd developed for dengue and influenza, George Savidis, research associate, Paul Meraner, MD, postdoctoral fellow, and William M. McDougall, PhD, postdoctoral associate, in the Brass lab, began by knocking out or depleting each protein in the human genome one at a time, then seeing how Zika or dengue virus grew when that human protein was gone.
a b c d e f g h i j k l m n o p q r s t u v w x y z