Los pares de divisas representan el tipo de cambio entre dos monedas en el mercado de divisas. Por ejemplo, EURUSD, GBPJPY y NZDCAD son pares de divisas.In 2017, a French company called Valneva started testing a Lyme disease vaccine on adults in the U.S. and Europe. The vaccine is in the third and final phase of clinical trials.This makes it a valu