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– Influenza A (H1N1) 2009 has become a regular seasonal flu circulating regularly. Such is the case after a pandemic, so the virus continues to circulate, "says consultant Birgitte Klüwer in the flu department of the Norwegian Institute of Public Health.
When the pandemic broke out, the infection was associated with serious illnesses and worse deaths in some groups among us. Almost, people have crossed the men's house to get vaccinated to limit the outbreak.
The reason no one talks particularly about the serious threat of swine flu infection now is that the virus is still coming to visit it. Several have gained resilience because they have been exposed to the virus before.
"The body learns to defend itself against individual viruses," says Klüwer.
This year's vaccine for the at-risk groups contains components of two types of influenza A and one influenza B, and A (H1N1) is one of them.
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