[1][2] His research achieved international recognition in the field of parasitology, with a particular focus on parasites known to cause heart failure.
[2] Africa discovered four species of human flukes, parasitic organisms that attach to the heart, leading to disease and, in some cases, death.
[8] According to a series of papers co-authored by Africa, Garcia, and Walfrido de Leon, their research suggested that certain health conditions in humans, such as heart dilation, chronic heart muscle damage, and lesions in the brain and spinal cord, were associated with the presence of heterophyid eggs in the blood vessels.
It was also showcased during Dr. Sadamu Yokogawa's silver jubilee at the Taihoku Imperial University, Formosa (present-day Taiwan), as well as during the 30th anniversary of Dr. K.J.
[2] Owing to his international reputation, Africa visited several leading laboratories to conduct experiments, including those in London, Liverpool, Edinburgh, Paris, Berlin, Vienna, Rome, and Utrecht.
[2] Following his death, Africa was posthumously recognized as an Outstanding Alumnus of the University of the Philippines in medical science in 1964.