| What we say about the diseases that are | | | | weak, old or ill person.Normally cold occurs |
| related with our respiratory system. Is it | | | | in the meantime of the year but influenza |
| Influenza or Flu? Or Stomach Flu?Everyone is | | | | spreads mostly in the winter season because |
| aware about the common word of Flu but | | | | of the atmospheric fluctuations in northern |
| exactly it means the "death due to | | | | and Southern Hemisphere regions.The natural |
| respiratory disease". Influenza is caused by | | | | host for influenza virus is aquatic birds. |
| an RNA virus of orthomyxoviridae family and | | | | Pandemic influenza often occurs when an |
| it is seasonal epidemics can be categorized | | | | avian-adapted virus infects a porcine host, |
| in three genera of the virus as Influenza A | | | | which can be infected by human and avian |
| viruses, Influenza B viruses that infect only | | | | varieties of influenza A virus. The virus may |
| humans and Influenza C that infect only | | | | then recombine within the pig, to form a |
| humans. Currently, the most common antigenic | | | | genetically new virus, which is able to |
| variants of influenza A virus are H1N1 and | | | | infect humans and be transmitted from person |
| H3N2.Normally, it is spread and transmitted | | | | to person.The current avian flu threat (2005) |
| from individual to individual in saliva | | | | is due to the H5N1 virus. This virus is |
| droplets expelled by coughing. Due to this | | | | currently still avian-adapted and cannot be |
| many symptoms of flu and influenza appears | | | | transmitted from person to person, though it |
| such as, fever headache fatigue, dry cough | | | | seems to be able to infect humans and cause |
| sore throat, nasal congestion sneezing, | | | | mortality.Every national Government is |
| irritated eyes, body eyes, extreme | | | | getting the help of anti-viral drugs such as |
| coldness.Mostly it takes one to two weeks to | | | | Tamiflu, which can reduce the effects of the |
| recover but influenza can be deadly for the | | | | virus. |