6 facts about the flu What is influenza - almost everyone knows firsthand. But still it is an acute viral disease that affects the respiratory system and fills the body weakness, many people underestimate. Flu seems a such "everyday", "simple" disease that can "pass." Not everyone remembers that running flu can lead to serious complications, even death! In general, during the cold season of the flu, you should not forget, the more you can not ignore the symptoms. We remind everyone about it, sharing some interesting facts about the flu. 1. Flu and SARS disease really "close to nature", but still - different in nature, the flu is more dangerous. 2. The first written mention of the flu epidemic is dated 1580 year. However, if a disease knew practically nothing, and the true nature of the phenomenon could only set ... in the 30's of the 20th century! 3. The word «influenza», that is, the flu, is etymologically related to the Italian «influentia» - «influence». In ancient times believed that the flu is to blame ... the position and influence of the heavenly bodies, because to hold the logical connection between cause and effect in terms of getting the flu could not ... But the French have called the flu almost like we have: «gripper», - «hook» or "seizure" in the translation. 4. Influenza virus "attacks" respiratory mucosa, without affecting in itself our other organs, and so-called "intestinal flu" is in most cases of viral gastroenteritis. 5. The so-called "Spanish flu" (the "Spanish flu"), killed more Americans than the two world wars, the Korean and Vietnam campaign - and combined. 6. Scientists, learn the secrets of viruses, looking for new drugs, the majority of their research-related influenza is carried out on pigs. Tom has a simple explanation: that these animals are not so lucky, they are immediately exposed to the three types of influenza viruses: "Attack" of birds, pigs and humans only ... It is for this reason that researchers are comfortable these experimental.