Researchers Develop Long-term Protection Against Flu Viruses
Researchers at the University of Nebraska-Lincoln have restored hope with the recent development of a new type of flu vaccine, promising protection against different flu viruses.
Flu viruses are known to adversely affect vision, heart, kidneys, as well as fetus when contracted during pregnancy. Scientists have long attempted to find an ultimate cure to flu viruses, however, all attempts have gone in vain.
According to a study published in November 2017, the vaccine contains genes of an ancestral flu virus.
Flu viruses are known to mutate rapidly, due to which researchers have found it difficult to develop long-term protection vaccine against it. Currently, a seasonal flu vaccine is developed consisting ancestral genes of H1, H2, H3, and H5 sequences.
The vaccine was administered to mice, after which they were infected with lethal doses of nine different viruses. Results recorded up to 100 percent protection against these viruses, for all the infected mice. Contrary to this, the mice that were administered with conventionally used flu shots, fell sick and died on exposure to lethal doses of the flu.
This study was conducted on mice, thus it would be impossible to fully gauge whether or not it would successfully work for humans.
Researchers hope the new approach would soon be universally applicable for long-term protection against flu viruses. “The ultimate goal is to be able to vaccinate once and provide lifelong protection,” said lead author of the study, Eric Weaver.
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