Although there is no evidence yet that it affects COVID-19 vaccines, schistosomiasis, a neglected tropical disease, has been associated with lower vaccine immunity for several vaccines.
Schistosome worms infect hundreds of millions of people worldwide. Researchers have discovered how to use inexpensive drones to identify disease hotspots in remote African villages.
There’s a big market for new treatments for TB, malaria and other ailments. But most of these diseases afflict low-income people unable to pay for medicine.