SLIDE 1
- Familydoctor.org
- AAP.org
- CDC.gov
- Immunizeca.org
Durr-e-Shahwaar Sayed, DO Familydoctor.org AAP.org CDC.gov - - PowerPoint PPT Presentation
Durr-e-Shahwaar Sayed, DO Familydoctor.org AAP.org CDC.gov Immunizeca.org When germs enter the body, the immune system recognizes them as foreign substances (antigens). The immune system then produces the right antibodies to