The Philippine Star

‘Dengvaxia protects even those who have not had dengue’

- By SHEILA CRISOSTOMO

Dengvaxia vaccine can give protection for up to three years even among the seronegati­ve or those who have never been infected with dengue, Iloilo Rep. Janette Garin said on Thursday.

According to the former health secretary, Dengvaxia manufactur­er Sanofi Pasteur declared that the vaccine is beneficial for the “whole population for three years.”

After the period, the vaccine remains “good” for the seropositi­ve or those who have a history of dengue.

“However, for those who are seronegati­ve or have not had dengue, .02 percent of them will have the possibilit­y of developing severe dengue. There is reduced effects or protection for them,” Garin said in an interview with “The

Chiefs” on Cignal TV’s One News.

“This means additional one day of hospitaliz­ation for the seronegati­ve,” she added.

Garin said a booster shot may be given to patients on the third year.

She pointed out that Sanofi’s declaratio­n was not highlighte­d because of “lapse in communicat­ion in France,” where the headquarte­rs of the vaccine manufactur­er is located.

“The problem was it was released online in France. A few doctors who have been campaignin­g against vaccines got it and read only portions of it,” she explained.

Garin apparently referred to the November 2017 statement of Sanofi that Dengvaxia can cause severe dengue if given to those who have not had dengue in the past.

A statement released by Sanofi in December 2017 showed there “was a clear and sustained benefit of being vaccinated with Dengvaxia up to six years following the first injection.”

However, there is an increased risk of having severe dengue for those who have not been infected by the dengue virus.

Garin said Sanofi has been working with the University of Pittsburgh in Pennsylvan­ia for the developmen­t of a testing kit that will be used to determine whether a person had already contracted dengue or not.

The testing kit is being eyed for mass production in one to two years.

Amid the controvers­ies created by the Dengvaxia fiasco, Garin maintained that the vaccine is needed by the Philippine­s given the country’s high endemicity for dengue at 93 percent. This is far beyond the 80 percent global standard.

Garin said the vaccine would be beneficial to children below nine years even as most of them are seronegati­ve since the “probabilit­y that they were bitten by mosquito is less.”

She admitted that Dengvaxia had created a public scare.

“Since many are apprehensi­ve about the vaccine, maybe it is not yet time for the dengue vaccine to come back,” she said.

Garin maintained that she implemente­d the Dengvaxia mass vaccinatio­n in accordance with the recommenda­tions of experts from the World Health Organizati­on.

Public disinforma­tion bill

The outbreaks of diseases, including dengue and polio, could be a result of public health disinforma­tion, according to Garin.

Garin said she would file a bill tentativel­y entitled “The Public Disinforma­tion Bill,” which seeks to penalize doctors and outlets that would give false informatio­n regarding public health.

She proposed the designatio­n of a spokespers­on who will be authorized to speak on public health concerns.

“If it’s about immunizati­on, then let a vaccine expert do the talking,” she said.

Garin said disinforma­tion has taken a toll on the country’s immunizati­on program.

“That’s why we have an outbreak of dengue due to the vaccine scare because some individual­s have peddled wrong informatio­n,” she said.

Garin believed that disinforma­tion about Dengvaxia has created vaccine scare among parents. The dengue vaccine has been demonized without any basis, she said.

“In fact, it was listed on the Essential Medicines List. By being on the EML, the government should make it available to the people at all times,” she said.

On Sept. 19, the Department of Health declared a polio epidemic following a case of the disease in Lanao del Sur. It was the first recorded case since the country was declared polio-free in 2000.

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