The secondary immune response occurs the second time (3rd, 4th, etc.) the person is exposed to the same antigen. At this point immunological memory has been established and the immune system can start making antibodies immediately.
Welcome to USZip.com. USZip.com USZip.com is an instant ZIP code lookup service featuring geographic and demographic data, crime rates, business information, educational institutes, weather and maps that can be explored by ZIP code or city name. 07095 is the zip code for. Woodbridge, NJ. Demographic data for zip code 07095.
Zip Code 19473 is located in the state of Pennsylvania in the Philadelphia metro area. Zip code 19473 is primarily located in Montgomery County. The official US Postal Service name for 19473 is SCHWENKSVILLE, Pennsylvania. Portions of zip code 19473 are contained within or border the city limits of Skippack, PA, Spring Mount, PA, and Schwenksville, PA. Zip code 19473 is within area code 484 and area code 610.