Scientists predict in the U.S. the flu season peak in advance using technologies such as weather forecasting. The important step is to prevent flu and this can be done by getting annual vaccination.
Flu season is to peak this month in nearly 45 states. There are 29 children reported deaths so far and the Disease Control and Prevention centers reports of 4000 and 50,000 death related to flu annually. The strain this year is virulent and more severe and it appears to be Hong Kong flue. In fact the CDC reports that each week there are nearly 14,000 cases diagnosed with flu.
What Is Flu?
Influenza is referred to as flu and this is a viral infection that is highly contagious. Each year there are several flu strains. The influenza symptoms include fatigue, fever, sore throat, body aches, runny nose, cough and headache. Flu may be hard on the elderly and the young, besides people with chronic diseases such as asthma, heart disease and diabetes. There are deaths every year in the U.S. due to flu.
Why Flu shot, and how does it work?
The flu vaccine is most important and it prevents widespread of this infection. Anyone 6 months and older may have this vaccine annually. Vaccines actually stimulate the immune system and the antibodies are made to fight the virus on getting exposed. The human’s immune system recognizes virus and on getting exposed after vaccination it destroys the virus that humans never know they were infected. However, it takes 7 to 10 days once vaccinated to become protected.