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.
Article Body. Most of the vaccines your child receives are given by shots. One can be given in a nasal spray (a version of the influenza vaccine). In the past, the polio vaccine was placed on a sugar cube and given by mouth (this form of the polio vaccine is no longer available in the United States). But no matter how they are given, the general ideas of the vaccines are all the same. To help you understand how immunizations work, hereâs a little background on the bodyâs immune system and the way it functions. When your child becomes infected, his body relies on his immune system to fight the invading organism.