A vacina
Example: A vacina protege as pessoas contra doenças perigosas.
Definition
"A vacina" is a substance used in medicine to stimulate the body's immune response, protecting individuals from dangerous diseases by preparing the immune system to recognize and fight specific pathogens before infection occurs.
Etymology
The word "a vacina" comes from the Latin 'vacca' meaning 'cow.' It was first used in the context of vaccination by Edward Jenner in the late 18th century, who developed the smallpox vaccine using material from cowpox lesions, hence the name. Did you know that the term 'vaccine' originally referred specifically to cow-related inoculations?
Learn to use this word actively
"A vacina" appears in the Vocaplus list "", containing 109 commonly used words.
Would you like to not only understand these words, but also remember them and use them actively? Create a free account and select Portuguese as the language you want to learn.
Create a free account