Mayo Clinic offers appointments in Arizona, Florida and Minnesota and at Mayo Clinic Health System locations. Request Appointment What's the difference between H1N1 flu and influenza A? Answers from James M. Steckelberg, M.D. Flu (influenza) viruses are divided into three broad categories: influenza A, B or C. Influenza A is the most common type. H1N1 flu is a variety of influenza A. H1N1 indicates the viral serotype; It's a kind of shorthand for characteristics that identify the virus to your immune system and allow the virus to enter your cells. There are many different strains of H1N1 flu.
Steak Calorie Count. Rule of thumb calculation for steak calories per serve is roughly 170 calories per 100 grams. Calories in steak is based on a 3.5 ounce serving or 100 grams. Calories are approximate and can alter with fat marbling of the meat. Frying in fat will add lots of calories. You should grill meat and trim fat from the cut.
Skirt steak is interspersed with some fat bumping and the calorie count of this steak is up a little at 62 calories per ounce. The fat content is 10 grams in a 3 ounce serving, making it a lower fat choice than some of the richer steaks. The protein content sits at 22 grams in a 3 ounce serve making it a good choice for a high protein diet.