JENVAC PFS

JENVAC is a vaccine designed to protect against Japanese Encephalitis (JE), a serious viral infection transmitted through the bite of infected mosquitoes. JE primarily affects the brain and can lead to severe neurological complications, including permanent disability or death. The JENVAC vaccine is essential for those living in or traveling to areas where Japanese Encephalitis is prevalent.

How It Works

JENVAC is an inactivated vaccine that contains a killed strain of the Japanese Encephalitis virus. When administered, it stimulates the immune system to produce antibodies against the virus, providing protection without causing the disease.

Administration

• Dosage: JENVAC is typically administered as a two-dose series.
• Schedule: The first dose is given, followed by the second dose 28 days later. For those at continuous risk, a booster dose may be recommended after 1-2 years.
• Administration Method: Given as an intramuscular injection, usually in the upper arm (deltoid muscle).

Side Effects

Common side effects may include:

• Pain or swelling at the injection site
• Mild fever
• Headache
• Fatigue
• Muscle aches

Severe reactions are rare.

Pregnancy and Lactation

• Pregnancy: The JENVAC vaccine can be administered during pregnancy if there is a significant risk of exposure to Japanese Encephalitis. It is advisable to consult with a healthcare provider.
• Lactation: Safe for breastfeeding mothers.

Age Group

• Minimum Age: Approved for use in individuals starting at 12 months old.
• Upper Age Limit: The vaccine can be administered to individuals up to 49 years old.

Contraindications

• Allergic Reactions: Not recommended for individuals with severe allergies to any component of the vaccine.
• Severe Illness: Vaccination should be postponed in cases of acute, severe febrile illness.

Nature of Antigen

• Nature of Antigen: JENVAC contains an inactivated (killed) strain of the Japanese Encephalitis virus.

Vaccine Type

• Type: JENVAC is a monovalent vaccine, meaning it targets only the Japanese Encephalitis virus.

Origin and Manufacturer

• Origin: JENVAC is an Indian vaccine.
• Manufacturer: The vaccine is produced by Bharat Biotech.
• Introduction Year: JENVAC was introduced in 2011.

JENVAC is a critical vaccine for preventing Japanese Encephalitis, particularly for individuals in endemic regions or travelers to such areas. Developed and produced in India by Bharat Biotech, this vaccine provides effective protection against a potentially life-threatening disease. Always consult healthcare providers for detailed vaccination schedules and personalized advice.