Across
- 3. One of the vaccine types that are being used in Malaysia.
- 4. Mother's antibodies diffuse using this way before entering the blood flow of the foetus.
- 6. A process that stimulates immunity against a specific disease through vaccine injections.
Down
- 1. ........ cells produce antibodies as a response to these antigens.
- 2. A suspension of pathogens that are weakened and dead.
- 3. Acquired through breastfeeding and from the mother to the foetus during pregnancy. A part of ..... immunity.
- 5. Antiserum contains ...... that are specific for the antigens.