Nobivac Feline-Bb is an intranasal vaccine containing an avirulent live culture of Bordetella bronchiseptica for the vaccination of healthy kittens and cats for prevention of disease caused by B. bronchiseptica. Healthy kittens 4 weeks of age or older should be vaccinated prior to confinement or when risk of exposure to B. bronchiseptica may exist. Healthy cats vaccinated at 8 weeks of age or older are protected as early as 72 hours post-vaccination. Safe for pregnant queens. Intranasal administration only. Feline intranasal vaccine Protects against Bordetella bronchiseptica Modified live Safe for cats and kittens 4 weeks of age and older All vaccines are shipped Express 1-2 Days. A $29.95 flat rate fee is charged for all orders containing vaccines. Someone should be present to sign for and receive the vaccine order when it ships to you. For more shipping info click here. NOTE: This item cannot be shipped to Minnesota, Canada and P.O. Boxes. Use must be approved by your veterinarian.