In particular, the exchange rate is the quantity of one currency required to buy or sell one unit of the other currency.* Jump straight to today's exchange rate or keep reading to understand what the exchange rate is and what that means to you.y using the current exchange rate, you see that $1 equals a little over .80 euros. Two US dollars equals about 1.65 euros; two euros equals about $2.40 in US money.
â¢ Vaccination is a type of immunization, but immunization is not necessarily vaccination alone. â¢ Vaccination is an artificial process, whereas immunization can be natural or artificial. Related posts: 1  Difference Between Cold and Flu. 2  Difference Between Measles and Chickenpox. 3  Difference Between DNA and RNA.
Sometimes vaccines are called immunizations, needles or shots. Here's how vaccines work: 1  Most vaccines contain a little bit of a disease germ that is weak or dead. 2  Vaccines do NOT contain the type of germ that makes you sick. 3  Some vaccines do not contain any germs.