INACTIVATED VACCINES Meaning and
Definition
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Inactivated vaccines, also known as killed vaccines, are a type of vaccine that contains pathogens or antigens that have been inactivated or killed through various processes, rendering them unable to cause disease. These vaccines are designed to stimulate an immune response in the body without posing a risk of causing the disease they are meant to protect against.
The production of inactivated vaccines involves growing large quantities of the pathogen or the desired antigen in a laboratory setting. Once enough material is obtained, the pathogens are inactivated using methods such as heat, chemicals, or radiation. This process kills the pathogens, preventing them from replicating or causing disease.
Since the pathogens in inactivated vaccines are unable to cause infection, they are considered safe for use in individuals with weakened immune systems, such as those with compromised immunity or certain medical conditions. Inactivated vaccines typically require multiple doses or booster shots to ensure long-lasting immunity.
When administered, inactivated vaccines stimulate the immune system to recognize the antigens present on the inactivated pathogens. The immune system responds by producing specific antibodies and immune cells that can recognize and defend against the actual pathogen if encountered in the future. This immunological memory generated by inactivated vaccines provides protection against the targeted disease without causing the actual infection.
Inactivated vaccines have been successfully developed for various infectious diseases, including polio, influenza, hepatitis A, and rabies, among others. They have played a crucial role in preventing outbreaks, reducing morbidity and mortality rates, and improving public health on a global scale.
Common Misspellings for INACTIVATED VACCINES
- unactivated vaccines
- jnactivated vaccines
- knactivated vaccines
- onactivated vaccines
- 9nactivated vaccines
- 8nactivated vaccines
- ibactivated vaccines
- imactivated vaccines
- ijactivated vaccines
- ihactivated vaccines
- inzctivated vaccines
- insctivated vaccines
- inwctivated vaccines
- inqctivated vaccines
- inaxtivated vaccines
- inavtivated vaccines
- inaftivated vaccines
- inadtivated vaccines
- inacrivated vaccines
- inacfivated vaccines
Etymology of INACTIVATED VACCINES
The term "inactivated vaccines" is composed of two parts:
1. Inactivated: The word "inactivated" comes from the verb "inactivate", which means to render inactive or to deactivate. It is formed by combining the prefix "in-" (meaning not or without) with the verb "activate", ultimately derived from the Latin word "activare", meaning to make active.
2. Vaccines: The term "vaccines" derives from the Latin word "vaccinus", which means "of or pertaining to cows". It originated from the discovery made by Edward Jenner, an English physician, in the late 18th century. Jenner observed that milkmaids who contracted cowpox, a disease in cows, seemed to be protected against smallpox.
