Concept:Recombinant antigen development for parasitic diseases.
Solution:Biotechnological techniques allow cloning of specific sporozoite or merozoite surface antigens, enabling the production of vaccines (such as RTS,S) that induce protective, targeted antibody titers against the malaria parasite.
Why other options are incorrect:- its ability to work as antimalarial drugs: Vaccines generate preventive adaptive immunity; they are not therapeutic antiparasitic drugs.
- its ability to directly kills the malaria parasite in mosquitoes: Human vaccines function inside the mammalian host, not inside the mosquito gut vector.
- its ability to develop endosymbiotic relationship with host: Vaccines eliminate or prevent pathogens rather than establishing symbiotic relationships.
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