So while itâs rare to be vitamin-K deficient, it is still possible. Here are 5 vitamin k deficiency symptoms: 1  Issues related to problematic blood clotting or bleeding: bleeding within the digestive tract, gum bleeding, heavy menstrual bleeding, or hemorrhaging. 2  Easily bruise or bleed. 3  Cartilage calcification.
The flu can be serious and may require care in a hospital. Some people who get the flu could die. What is the best way to prevent flu? The single best way to prevent the flu is to get the flu shot. Everyone 6 months of age and older should get the flu vaccine every year. The flu shot cannot cause the flu. The flu shot is given with a needle, usually in the arm. It can be given to people 6 months of age and older. Why do I need to get the flu vaccine every year?
Reaction to the vaccine. Some people experience muscle aches and a fever for a day or two after receiving a flu shot. This may be a side effect of your body's production of protective antibodies. The 2-week window. It takes about two weeks for the flu shot to take full effect. If you're exposed to the influenza virus shortly before or during that time period, you might catch the flu. Mismatched flu viruses. In some years, the influenza viruses used for the vaccine don't match the viruses circulating during the flu season.