Answer:
Life cycle of the malaria parasite illustrating the various stages that are ... Parasitologists trying to develop vaccines can hardly ever safely grow and ... vaccines for one stage of the life cycle (figure 1) are unlikely to impact on another stage.disappointment as successive, independent field efficacy trials in Africa and Asia .
Explanation:
The conflict in Argentina known as the dirty war occured in the 1970s and 1980s.
The Eiffel Tower
it's really big and stuff