Part 1 of Essay
Do you know how many chickens do we consume every day? Three thousand, five thousand or more? We demand almost more than ten thousand chickens daily. What a big figure! We can see that chickens are very important to Chinese society. Chickens are always devoted to God and served in dinners to celebrate traditional festival ....

Part 2 of Essay
.... is very important to all mankind as this is the type of virus that has caused world-wide pandemics. And H5N1 belongs to the vision of influenza A. What is H5N1? H stands for hemagglutinin (HA), which is a viral protein. It will cause the red blood cells to stick together. And N is the viral protein too, which is called neuraminidase (NA). In an influenza virion, there are five hundred spikes sticking out from its lipid envelope in which 80% of the spikes are HA and 20% NA. HA helps the virion get into host c ....