Table of Contents. Type J: IRON-CONSTANTAN. Type K: CHROMEL-ALUMEL. Type T: COPPER-CONSTANTAN. Type S: PLATINUM-PLATINUM/10%RHODIUM. Type B: PLATINUM/30% RHODIUM-PLATINUM/6% RHODIUM. Type E: CHROMEL-CONSTANTAN. Type R: PLATINUM/13% RHODIUM-PLATINUM. Type N: NICROSIL-NISIL.
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.
The influenza vaccine was 62 percent effective among people, who did not receive a flu shot in the prior year. In comparison, vaccine effectiveness among those, who did get a flu shot in the previous year, was substantially lower at -45 percent.