1. Introduction
   1. What is aptamer?
   2. DNA aptamers or RNA aptamers?
   3. Aptamers in nutraceutical & pharmaceutical industry
   4. Aptamers & antibody
   5. What is Viral Hemogglutinin (HA)
2. Content
   1. Aptamers for prevention of infection
   2. Development of DNA aptamers subtypes by the SELEX procedure
   3. block influenza A virus binding to host cell receptors & prevent uptake into host cell
   4. structure & function
3. Conclusion
   1. Importance of aptamers in other fields
   2. Importance of negative aptamer selection
4. Cheong Kai Xuan A18SC0386
5. Cheong Wei Yi A18SC0387
6. Chin Lok Yee A18SC0388
7. Ho Pei Yi A18SC0394