March 26, 2010 | 
Author - Analysis of the situation in many homes shows that the pandemic strain of the H1N1 virus has spread rapidly around the world and currently is the dominant structure of influenza morbidity
* The virus is bound to spread in the coming months to complete coverage of all susceptible populations, around the world, Because it is also spread by birds which drink water any where they find and infect the water with disease.
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About the Name:
Russia’s chief sanitary doctor Gennady Onishchenko said at a press conference April 27, 2009, that a new influenza virus H1N1, transcription in Atlanta, received the official title of “California 04/2009″ . Onishchenko apparently was referring to the name of the strain «A/California/04/2009» obtained one of the first and not the name of the virus. In the English-language sources distributed reducing S-OIV: Swine-Origin Influenza A (H1N1) Viruses.
Background pandemic
Before the pandemic of 2008-2009, the winter in the Northern Hemisphere were relatively mild for infections, which usually lead to 250-500 thousand deaths each year , mainly among the elderly, young children and people with chronic illnesses. Until April 8, 2009 Centers for Disease Control and Prevention USA (CDC) reported the death of 43 children from the seasonal flu, compared with 68 deaths in the previous influenza season. Improved performance was due partly to an improved influenza vaccine in the 2008/2009 season in the Northern Hemisphere, when it was made a rare decision to upgrade all three strains (H1, H3 and B) simultaneously in order to cover the vaccine strains H1N1 and H3N2, which in the end and were distributed. (For comparison, the 2007/2008 vaccine protected only by 2-20%, in contrast to 70-90% in some years.) Improvement is also associated with new recommendations, including vaccination of children aged 5 to 18 years, which are usually the most dangerous spreaders of influenza because it does not comply with hygiene, for example, do not wash their hands.
At the same time from December 2005 to February 2009 reported twelve cases of human infection with swine influenza in the ten states in the U.S.
In April-May 2009 an outbreak of a new strain of influenza virus observed in Mexico and the United States. World Health Organization (WHO) and Centers for Disease Control and Prevention USA (CDC) have expressed serious concern over this new strain due to the fact that there is a possibility of transmission from person to person, there is a high mortality rate in Mexico, and also because that this strain can grow into a pandemic influenza. April 29 at an emergency meeting of the WHO level of pandemic threat has increased from 4 to 5 points (out of 6 possible) .