The damage showed that, unlike many flu viruses, A(H5N1) can attack the central nervous system.
Viruses of both B lineages now co-circulate together with the Influenza A viruses A(H3N2) and A(H1N1) [ 6].
Among the influenza viruses, A(H1N1 pdm09 and type B represented 57.3% and 42.7% of cases, respectively.
Like A(H3N2) and A(H1N1) viruses, A(H1N2) viruses have become established in swine herds in many regions.
What do you think makes computer viruses a popular subject for science-fiction thrillers?
Club-shaped glycoprotein spikes in the envelope give the viruses a crownlike, or coronal, appearance.
Of the many existing viruses, a few are of great importance as causes of human sickness.
Unlike viruses, a Trojan usually does not automatically replicate itself; it infects a computer when a user opens the file hiding the Trojan horse program.
In the eighties, it was computer viruses; a few years ago, it was antibiotics; today, it's the N.S.A. and government surveillance.
Wolfe hopes to create a database containing genetic information from those viruses, a resource that biological engineers could use to assemble effective vaccines from standard molecular parts.
Leading the effort, called Operation Cure.All, the trade commission took aim at six small companies claiming to treat illnesses like cancer, diabetes, Alzheimer's and AIDS using herbs, dietary supplements and even electrical devices that supposedly give viruses a fatal stun.
