| While present, passive immunity may interfere with the immune response to a vaccine. |
| A newborn baby acquires passive immunity from its mother through the placenta. |
| Much more commonly, anti-tetanus serum has been widely used to confer passive immunity after potentially contaminated minor injuries. |
| Our results thus suggest an approach for in situ delivery of passive immunity at mucosal sites. |
| Vaccination, on the other hand, imparts passive immunity that is short lived. |
| In Berlin, Koch's assistants had discovered the principle of passive immunity and antitoxins. |
