4 When the steak has cooked to your preferred level of doneness, remove from the grill and place on a cutting board. Cover with aluminum foil to hold in the heat while the steak rests for 10 to 15 minutes. 5 Notice the direction of the muscle fibers of the steak; this is called the grain of the meat. Flank steak is a very lean cut that will be tough and chewy unless you cut it in a way that breaks up the muscle fibers.
The typical flu incubation period is between 24 hours and four days, with the average being two days. This means that if you are exposed to the influenza virus and become infected, you will start to experience flu symptoms anywhere between 24 hours and four days after the exposure. Another factor that contributes to how the flu spreads is when exactly you may be contagious.
The incubation period is the time from exposure to the causative agent until the first symptoms develop and is characteristic for each disease agent. Example: Shiga toxin-producing E. coli has an average incubation period of 3-4 days with a range from a minimum of 2 days to a maximum of 10 days.alk through the steps to determine the most likely period of exposure for a point source outbreak of Hepatitis A in Alabama. The incubation range for Hepatitis A is 15-50 days and has an average incubation of 25-30 days. Use an average incubation period of 28 days.