Live vaccines are a type of immunization that uses a weakened or attenuated form of a virus or bacteria to stimulate an immune response in the body. These vaccines are created by growing the virus or bacteria in a lab and altering it to reduce its virulence while maintaining its ability to induce an immune response.

Types of Live Vaccines

There are several types of live vaccines, including:

  • Measles, Mumps, and Rubella (MMR) vaccine: This vaccine protects against three viral infections: measles, mumps, and rubella. It is usually administered in two doses, with the first dose given between 12 to 15 months of age and the second between 4 to 6 years of age.
  • Rotavirus vaccine: This vaccine protects against rotavirus infection, a common cause of severe diarrhea in infants and young children. It is administered orally and is typically given in two or three doses, depending on the vaccine brand.
  • Varicella (chickenpox) vaccine: This vaccine protects against the varicella-zoster virus, which causes chickenpox. It is typically administered in two doses, with the first dose given between 12 to 15 months of age and the second between 4 to 6 years of age.
  • Yellow fever vaccine: This vaccine protects against yellow fever, a viral infection transmitted by mosquitoes. It is typically administered as a single dose and is required for travel to certain countries where yellow fever is endemic.
  • FluMist (nasal spray) influenza vaccine: This vaccine protects against influenza and is administered through nasal spray. It is recommended for healthy individuals aged 2 to 49 years who are not pregnant.

Benefits of Live Vaccines

Live vaccines offer several benefits:

  • Long-lasting immunity: Live vaccines often provide longer-lasting immunity compared to inactivated vaccines.
  • Reduced need for booster doses: Many live vaccines require only one or two doses to confer long-term protection, reducing the need for additional booster doses.
  • Stronger immune response: Live vaccines can stimulate a more robust immune response due to their ability to replicate and mimic natural infections.

Administration of Live Vaccines

Live vaccines are typically administered via injection, except for the nasal spray influenza vaccine. These vaccines are generally safe for healthy individuals, but there are certain situations where caution is advised, such as:

  • Individuals with compromised immune systems
  • Pregnant women
  • People with severe allergies to vaccine components

If you or your child fall into any of these categories, consult with your healthcare provider before receiving a live vaccine.

In conclusion, live vaccines play a crucial role in protecting against various viral and bacterial infections. They offer long-lasting immunity and a stronger immune response. However, they may not be suitable for everyone, especially those with compromised immune systems or allergies. Consult with your healthcare provider to determine if live vaccines are appropriate for you or your child.

Quest'articolo è stato scritto a titolo esclusivamente informativo e di divulgazione. Per esso non è possibile garantire che sia esente da errori o inesattezze, per cui l’amministratore di questo Sito non assume alcuna responsabilità come indicato nelle note legali pubblicate in Termini e Condizioni
Quanto è stato utile questo articolo?
0Vota per primo questo articolo!