Tag Archives: H1N1

New survey suggests Americans keen for H1N1 vaccine

New survey suggests Americans keen for H1N1 vaccine

Days before the swine flu vaccine becomes available, more than half of U.S. adults say they will get the vaccine for themselves and 75 percent will get it for their children, according to a survey released on Friday.

Forty percent said they would not get the H1N1 vaccine, the team at the Harvard School of Public Health found.

“These findings suggest that public health officials need to be prepared for a surge in demand for the H1N1 vaccine if the H1N1 flu becomes more severe,” said Harvard’s Robert Blendon, who led the study.

The survey conflicts with one published earlier this week by Consumer Reports showing only 35 percent of Americans would definitely have their children vaccinated.

The Harvard researchers polled 1,042 U.S. adults for what they said was a representative sample of national opinion late last month.

The poll results suggest more people would get a swine flu vaccine than usually get vaccinated against seasonal influenza in the United States, where flu kills an estimated 36,000 mostly elderly people a year.

H1N1 swine flu was declared a pandemic in June and it has circulated globally ever since.

Companies have been rushing to make and distribute vaccines for H1N1 and the U.S. Centers for Disease Control and Prevention says the first 600,000 doses will arrive in cities, states and counties that ordered them next week.

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Experts hope H1N1 will spur effort on universal jab

Experts hope H1N1 will spur effort on universal jab

The H1N1 swine flu pandemic should spur pharmaceutical researchers to renew efforts to develop a universal flu vaccine and rethink ways of dealing with future pandemics, scientists said on Friday.

Flu experts from the World Health Organization, Swiss drug giant Novartis AG, the U.S. National Institutes of Health and others noted that the arrival of H1N1 had prompted a jump in the potential output of vaccine manufacturing to 900 million doses from 400 million.

But in a letter to the journal Science, they urged drug and health industries to be more proactive in developing and distributing vaccines — and in particular to speed up the search for a universal flu vaccine.

“Although the H1N1 pandemic has the potential to cause a social and economic emergency, it also provides an opportunity to rethink our approach to influenza virus disease and to develop more effective vaccines and economically sustainable solutions for developing and developed countries,” they wrote. “Research toward development of a universal vaccine should be accelerated.”

A universal flu vaccine which would combat all strains of the virus has so far eluded pharmaceutical firms and scientists.

Inovio Biomedical Corp, which is working on such a vaccine, said this week that it expects initial evidence early next year on whether the technology it is using can help to fight diseases.

Johnson & Johnson, the world’s biggest diversified health care company, recently bought a stake in Dutch biotech firm Crucell partly to get hold of flu-mAb, a universal antibody engineered to prevent and treat infections from various influenza A strains.

The swine flu outbreak was declared a pandemic in June and has already infected millions of people around the world. Drugmakers and governments have been scrambling to make and supply vaccines targeting the new H1N1 strain before a feared second wave of infection hits as the northern hemisphere heads into winter.

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Early use of antivirals key in H1N1 flu: WHO

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Early use of antivirals key in H1N1 flu: WHO

Early use of antivirals is effective in treating H1N1 flu and health authorities must be vigilant for signs of drug resistance, the World Health Organisation said on Friday.

Drug-resistant pandemic flu viruses have appeared infrequently so far and there is no evidence they are spreading, but further cases are likely, the WHO said on its website.

Growing international experience showed the importance of the early use of oseltamivir, manufactured as Tamiflu by Roche Holding and Gilead Sciences, or zanamivir, an inhaled medicine produced as Relenza by GlaxoSmithKline in swine flu cases,” the WHO said.

“The experience of clinicians, including those who have treated severe cases of pandemic influenza, and national authorities, suggests that prompt administration of these drugs following symptom onset reduces the risk of complications and can also improve clinical outcome in patients with severe disease,” the Geneva-based U.N. agency said.

“This experience further underscores the need to protect the effectiveness of these drugs by minimizing the occurrence and impact of drug resistance,” it said.

Most people who contract pandemic influenza suffer only mild symptoms before recovery without treatment, but children, pregnant women and those with some existing health conditions are vulnerable to a more severe attack or even death.

The WHO, which declared H1N1 a global pandemic in June, says one third of the world’s population of nearly seven billion people could catch it.

The risk of resistance is higher in patients who suffer from weak immune systems and have already been treated with oseltamivir, it said.

It is also high in people who are treated with the antivirals as a prophylactic — as a precaution after exposure to someone with influenza, but nevertheless develop the disease.

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