GEORGE OBULUTSA Some African nations have begun administering vaccines against COVID-19, regional health officials said, though Tanzania's dissenting president was singled out for his trust in alternative remedies and God. John Nkengasong, director of the African Union (AU) bloc's disease control and prevention body, said a few countries had begun vaccinating: Morocco, Egypt, Seychelles and Guinea. "Guinea is very limited, just about 50 to 60 vaccinations have occurred. But these other countries have started mainly with the vaccine from China," he told an online briefing. In addition to 270 million doses previously secured, the AU has signed an agreement with…