Neither of these things are guaranteed to happen if you get the flu vaccine when you are sick, but they are possibilities. If you have just a mild illness, there is no reason to wait to get vaccinated.
Early in the day, let roast stand at room temperature at least 1 hour before cooking. Preheat oven to 375 degrees. Rub meat ... the outside and rare in the middle. Meat will be very brown ... stand at room temperature for at least one hour.
1 Do not cover or add water. 2  Place the roast in the preheated oven. 3  Reduce the temperature to 475 degrees F (245 degrees C). 4  Roast for 21 minutes (seven minutes per pound) then turn off the oven and let the roast sit in the hot oven for 2 1/2 hours.eady In. 1  Preheat the oven to 500 degrees F (260 degrees C). 2  Season the roast with salt and pepper and place in a roasting pan or baking dish. 3  Do not cover or add water. 4  Place the roast in the preheated oven. 5  Reduce the temperature to 475 degrees F (245 degrees C).