जब एंटीबॉडी प्राकृतिक रूप से एक माँ से प्लेसेंटा के माध्यम से उसके भ्रूण में स्थानांतरित होते हैं, तो किस प्रकार की प्रतिरक्षा प्रदान की जाती है?

Human breast milk provides passive immunity to infants primarily because it contains which of the following protective substances?

Which type of immunisation involves injecting pre-formed antibodies directly into a person?

When disease-causing organisms enter our body, the immune system recruits many cells to the affected tissue to fight off the microbes. This localized protective response is called: