Due to an increase in recent call volume, wait times for inbound calls have been longer than usual.
Our members are very important to us as are their questions and inquiries.
We will get to your call as soon as we can; please email [email protected] at any time for additional assistance.

Dogs 6 to 20 weeks of age

Applies to:

  • Dogs presented for initial vaccination that:
    • Are late in starting the initial series 
    • Experience an extended interval (>6 wk) between doses during the initial series.

Click on a vaccine below for the recommendations:

/

CDV + CPV + CAV ± CPiV

Late starting the initial Series

Administer at least 2 sequential doses, 3 to 4 wk apart, until 16 to 20 wk of age to complete the initial series.

A noncore vaccine when administered in combination with core vaccines requires 2 doses in the absence of Maternally Derived Antibody to immunize.

(applies to both MLV and recombinant CDV vaccines)

>6 Weeks Interval Between Doses*

Administer sequential doses, 3 to 4 wk apart, with the last dose given at 16 or 20 wk of age.

A noncore vaccine when administered in combination with core vaccines requires 2 doses in the absence of Maternally Derived Antibody to immunize.

(Applies to both MLV and recombinant CDV vaccines)

* The recommended MAXIMUM interval between doses (during the initial series) is 6 wk. Dogs exceeding 6 wk between doses during the initial series should complete the initial series in accordance with recommendations outlined in this column. 

Rabies

Late starting the initial Series

Administer a single dose (not earlier than 12 wk of age).

Regardless of the dog’s age at the time the initial rabies vaccine dose is administered, a booster dose should be administered within 1 yr. (State/local/provincial statutes apply)

NOTE: Some states specify a defined time during which the second dose of rabies vaccine must be administered.)

>6 Weeks Interval Between Doses

Not Applicable

Bordetella bronchiseptica ± CPiV ± CAV (intranasal)

Late starting the initial Series

Administer a single dose at presentation.

>6 Weeks Interval Between Doses*

Administer a single dose at presentation

* The recommended MAXIMUM interval between doses (during the initial series) is 6 wk. Dogs exceeding 6 wk between doses during the initial series should complete the initial series in accordance with recommendations outlined in this column. 

 

Bordetella bronchiseptica (oral)

Late starting the initial Series

Administer a single dose at presentation.

>6 Weeks Interval Between Doses*

Administer a single dose at presentation.

* The recommended MAXIMUM interval between doses (during the initial series) is 6 wk. Dogs exceeding 6 wk between doses during the initial series should complete the initial series in accordance with recommendations outlined in this column. 

Bordetella bronchiseptica (parenteral)

Late starting the initial Series

Administer 2 doses 3 to 4 wk apart.

(NOTE: 2 consecutive doses are required to immunize.)

>6 Weeks Interval Between Doses

Published studies are not available. It is generally recommended to restart the 2-dose series when the vaccination interval between the first and second dose exceeds 6 wk.

Leptospira

Late starting the initial Series

Administer 2 doses 3 to 4 wk apart.

(NOTE: 2 consecutive doses are required to immunize.)

>6 Weeks Interval Between Doses

Published studies are not available. It is generally recommended to restart the 2-dose series when the vaccination interval between the first and second dose exceeds 6 wk.

Borrelia burgdorferi

Late starting the initial Series

Administer 2 doses 3 to 4 wk apart.

(NOTE: 2 consecutive doses are required to immunize.)

>6 Weeks Interval Between Doses

Published studies are not available. It is generally recommended to restart the 2-dose series when the vaccination interval between the first and second dose exceeds 6 wk.

Abbreviations

+ = “combined with” the vaccine that follows.
± = “with or without” the vaccine(s) that follow.
* The recommended MAXIMUM interval between doses (during the initial series) is 6 wk. Dogs exceeding 6 wk between doses during the initial series should complete the initial series in accordance with recommendations outlined in this column. 
CAV, canine adenovirus-2;
CDV, canine distemper virus;
CPiV, canine parainfluenza virus;
CPV, canine parvovirus;
MLV, modified-live virus or attenuated.

These guidelines are supported by a generous educational grant from
Boehringer Ingelheim USA Inc., Merck Animal Health, and Zoetis.