Are expired drugs sent to Africa? Dencia asks why medicine in Cameroon & Nigeria is not effective

Using examples of when she was treated in Cameroon, Nigeria and America, singer Dencia is asking why drugs are not effective in some countries but the same brand works even better in the U.S. Could it be that expired drugs are sent to African countries as her nurse abroad once revealed to her? And by expired, she means less potent. Share your thoughts...