VARICELLA VACCINE Meaning and
Definition
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Varicella vaccine is a medical intervention designed to provide immunity against varicella-zoster virus (VZV) infection, also known as chickenpox. It is a live attenuated vaccine that contains weakened strains of the virus, allowing the body to mount an immune response without causing the full-blown disease. The vaccine is typically administered through subcutaneous injection.
The varicella vaccine is primarily given to children, usually between the ages of 12 to 15 months, with a second dose recommended between 4 to 6 years old. It is also recommended for susceptible individuals who have not had a prior infection or vaccination and are at risk of exposure to the virus. The vaccine is safe and effective in preventing the occurrence of chickenpox and its potential complications.
Once administered, the varicella vaccine stimulates the immune system to produce antibodies specific to the VZV, which provide protection against future exposures. By achieving immunity through vaccination, individuals become less likely to develop chickenpox or significantly milder symptoms if they come into contact with the virus. Additionally, the varicella vaccine can help prevent the occurrence of severe complications associated with chickenpox, such as pneumonia, encephalitis, or bacterial superinfection.
Overall, the varicella vaccine is an essential tool in public health, effectively reducing the spread of chickenpox, particularly in high-risk populations, such as individuals with weakened immune systems or pregnant women. It has contributed to the significant decline in the incidence of chickenpox worldwide, making it an integral part of routine immunization programs in many countries.
Common Misspellings for VARICELLA VACCINE
- caricella vaccine
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Etymology of VARICELLA VACCINE
The etymology of the word "Varicella" can be traced back to the Late Latin word "variola", which means "smallpox". The term "varicella" itself is derived from the diminutive form of "variola", indicating a milder or smaller form of the disease.
The word "Vaccine", on the other hand, has its origins in the Latin word "vaccinus", which means "pertaining to cows" or "cowpox". The term was coined by Edward Jenner, an English physician, who observed that milkmaids infected with cowpox seemed to be immune to smallpox. He used this knowledge to develop the first vaccine for smallpox, which involved inoculating people with the cowpox virus to protect them from the more severe smallpox virus.
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