Loose connective tissue, show below, is the most common type of connective tissue. It's found throughout your body, and it supports organs and blood vessels and links epithelial tissues to the muscles underneath.
For years, the CDC has been promoting the notion that flu shots are between 70 and 90 percent effective in preventing influenza 16 and everybody needs to get vaccinated because type A and type B influenza causes more than 200,000 hospitalizations and 36,000 deaths in the U.S. every year.
How The Flu Shot Works. Do not fear: The flu vaccine is short, often painless, and very low-risk. For the shot, doctors prick your arm with a dead version of the virus. For those averse to needles, most people are also eligible for the nasal spray vaccine, which contains a small amount of weakened live virus.