A. It takes approximately 24-48 hours for initial symptoms to appear after exposure to the influenza virus. If you suspect you have the flu, seek medical treatment quickly. Tamiflu, if taken within the first 48 hours of symptoms occurring, can reduce the time it takes to heal and can reduce symptoms.
Size. The largest, still living species is the emperor penguin, measuring 120 cm and the smallest is the fairy penguin, only 30 cm tall. Also is known that there is a small difference in size and weight between the sexes, where the females are the weaker (smaller and a bit lighter) sex.
Index of Types of Penguins. There are typically 17 different species of penguin recognised as living in the world today. Each species belongs to a larger grouping of closely related species known as a genus. The living penguins comprise six genera (the plural of genus): Aptenodytes, Eudyptes, Eudyptula, Megadyptes, Pygoscelis, and Spheniscus (you can see which species belong to each genus by clicking on the link).