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