After more than a year of the Influenza A H1N1 episode, the virus is still being monitored all over the world, both the flu cases and genetics diversity of the virus. Following up the genetic diversity helps to understand if the vaccine is still efficient and helps identifying the possible appearance of new strains.
In Hong [...]
Why were the older people less affected by the new flu?
The elderly, especially those older than 65 years, that is, born before 1944, constitute the part of the population less affected by H1N1. It was suggested and later confirmed by CDC that it is about the prior immunity to the virus. These people probably have [...]
Although H1N1 is circulating around us at least a little bit before 1918, we passed almost 20 years free of it. In 1957, a line of influenza virus received three genes of an avian virus, among them new HA and NA, and started to be called H2N2. With these new proteins, it did not meet [...]
Although we are acquainted with the influenza A (H1N1) and types such as H5N1 or H3N2, there are other influenza variants that infect humans and cause us concern.
The influenza H7 comprises various lineages, H7N7, H7N3 and H7N2 are those who knowingly infect humans. Some lineages are not very pathogenic (LPAI) and others highly pathogenic (HPAI), [...]