Thursday October 18, 2018

Vaccinating against Dengue Fever likely to increase Zika outbreaks, warn Researchers

Dengue and Zika are both part of the Flaviviridae family transmitted through a common mosquito host

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Toronto, Nov 1, 2016: Vaccinating against dengue fever could increase outbreaks of Zika, warns a study by a team of researchers from Canada and China.

As dengue and Zika are both part of the Flaviviridae family transmitted through a common mosquito host, the researchers wanted to know how vaccinating for one would affect the incidence of the other.

“Vaccinating against one virus could not only affect the control of another virus, it could in fact make it easier for the other to spread,” said one of the researchers Jianhong Wu, Professor at York University in Toronto, Canada.

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The research, published in the journal Scientific Reports, identifies a potentially serious public health concern.

More than a third of the world’s population lives in areas where dengue is endemic and cases of co-infection with Zika have already been reported, according to the study.

“Recent evidence suggests that dengue virus antibodies can enhance the Zika virus infection. For that reason, we developed a new math model to investigate the effect of dengue vaccination on Zika outbreaks,” Wu said.

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The team’s model showed that vaccinations for dengue increase the number of people contracting Zika.

It also showed that the more people in a particular population that are vaccinated against dengue, the earlier and larger the Zika outbreak.

The research also found that the most effective way to minimise the unintended effect of dengue vaccinations on Zika outbreaks is through an integrated strategy that includes mosquito control.

“We concluded that vaccination against dengue among humans can significantly boost Zika transmission among the population and hence call for further study on integrated control measures on controlling dengue and Zika outbreak,” Yanni Xiao, Professor at Xi’an Jiaotong University in China, said.

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The researchers noted that their findings do not discourage the development and promotion of dengue vaccine products, however, more work needs to be done to understand how to optimise dengue vaccination programmes and minimise the risk of Zika outbreaks.

Although vaccines for dengue have been developed and are in use, there is currently no vaccine for Zika. (IANS)

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Aadhaar Helpline Mystery: French Security Expert Tweets of doing a Full Disclosure Tomorrow about Code of the Google SetUP Wizard App

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Pichai met with senior Republicans on Friday to discuss their concerns, House Majority Leader Kevin McCarthy said. Wikimedia Commons

Google’s admission that it had in 2014 inadvertently coded the 112 distress number and the UIDAI helpline number into its setup wizard for Android devices triggered another controversy on Saturday as India’s telecom regulator had only recommended the use of 112 as an emergency number in April 2015.

After a large section of smartphone users in India saw a toll-free helpline number of UIDAI saved in their phone-books by default, Google issued a statement, saying its “internal review revealed that in 2014, the then UIDAI helpline number and the 112 distress helpline number were inadvertently coded into the SetUp wizard of the Android release given to OEMs for use in India and has remained there since”.

Aadhaar Helpline Number Mystery: French security expert tweets of doing a full disclosure tomorrow about Code of the Google SetUP Wizard App, Image: Wikimedia Commons.

However, the Telecom Regulatory Authority of India (TRAI) recommended only in April 2015 that the number 112 be adopted as the single emergency number for the country.

According to Google, “since the numbers get listed on a user’s contact list, these get  transferred accordingly to the contacts on any new device”.

Google was yet to comment on the new development.

Meanwhile, French security expert that goes by the name of Elliot Alderson and has been at the core of the entire Aadhaar controversy, tweeted on Saturday: “I just found something interesting. I will probably do full disclosure tomorrow”.

“I’m digging into the code of the @Google SetupWizard app and I found that”.

“As far as I can see this object is not used in the current code, so there is no implications. This is just a poor coding practice in term of security,” he further tweeted.

On Friday, both the Unique Identification Authority of India (UIDAI) as well as the telecom operators washed their hand of the issue.

While the telecom industry denied any role in the strange incident, the UIDAI said that he strange incident, the UIDAI said that some vested interests were trying to create “unwarranted confusion” in the public and clarified that it had not asked any manufacturer or telecom service provider to provide any such facility.

Twitter was abuzz with the new development after a huge uproar due to Telecom Regulatory Authority of India (TRAI) Chairman R.S. Sharma’s open Aadhaar challenge to critics and hackers.

Ethical hackers exposed at least 14 personal details of the TRAI Chairman, including mobile numbers, home address, date of birth, PAN number and voter ID among others. (IANS)

Also Read: Why India Is Still Nowhere Near Securing Its Citizens’ Data?