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.
1 Penguins are medium to large flightless seabirds with elongated bodies and large heads. They have a funny sort of waddle in that it gives the impression of human-walk.  They are 17.7â51.2 in (45â130 cm) long, and weighs up to 1.8â88 lb (842 gâ40 kg).