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A new quadrivalent influenza vaccine covering four influenza strains, unlike the one used to protect three types of viruses, has been introduced in Argentina and will arrive in the country in the coming months, announced today. # 39; hui specialists. 19659002] "The vaccine appears as a response to the evolution of the epidemiology badociated with the co-circulation of two strains of influenza, this new quadrivalent dose protects against four strains in total: two A and two B, unlike the one used up to now., which covers only three viruses, "he told the agency Telam (19459005) Federico Nacinovich, Head of Infectious Diseases at the Cardiovascular Institute of Buenos Aires (ICBA).
He is also a member of the President's Immunization Committee. Argentina's Infectology (SADI) added that although the new vaccine is already integrated into the national calendar in Chile, for example, in Argentina, it will be available "before the next season.
For her part, Patricia Cervantes, medical director of the influenza laboratory Sanofi Pasteur Latin America, who will produce the vaccine, explained that the innovation is due to an "badytical surveillance of the development of the virus."
"It's been several seasons since the B virus plays an important role. It is with this virus that we are still in debt because the trivalent vaccine contains only one of the strains in circulation, leaving a percentage without coverage. The quadrivalent vaccine covers this space, "he said.
Similarly, Dr. Flor Muños, from the Texas Children's Hospital, in the United States, who visited in Argentina to participate in the presentation of the new dose, pointed out that the flu season in this country "was very difficult."
"With more than 30,000 hospitalizations, the over 65s were the population the more affected. "These numbers are achieved because, with the exception of pneumonia, all chronic conditions the virus can worsen days or weeks after infection," he explained.
The specialist noted that "the impact of the flu is often underestimated", but that the disease "can be compared to an iceberg".
] "Hospitalizations for influenza and pneumonia are just the tip of the ice, while hospitalizations for cardiovascular and respiratory complications are invisible and have a significant impact," he said.
He concluded: "According to the World Health Organization (WHO), every year between 280,000 and 640,000 people die of influenza worldwide." It is important to stress the recommendation of vaccination universal for all persons over six months to prevent this disease. "
In Argentina, the national vaccination schedule includes the anti-influenza dose for pregnant women, children aged six months to two years, 65 years and health staff.
Also for people with risk factors such as obesity, diabetes, respiratory or cardiac diseases, acquired or conbad immunodeficiencies, oncohaematological patients, transplant patients or persons suffering from diabetes. chronic renal failure.
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