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Modified Live Vaccine
A type of vaccine containing weakened live pathogens that stimulates a strong immune response but can be dangerous during pregnancy.
Key Facts
- Administration to pregnant queens can cross the placenta and damage the developing fetal cerebellum.
- It should be strictly avoided during pregnancy and the first two weeks postpartum.
- Killed or inactivated vaccines are safer alternatives for pregnant cats.
- Proper vaccination timing is critical to prevent iatrogenic cerebellar hypoplasia.