AbbaKyari, the chief of staff to the president, has reportedly tested positive for COVID-19. A top source at the Federal Ministry of Health said on Tuesday that Kyari, who recently returned from Germany, had tested positive. The source, however, said the president, Muhammadu Buhari , had tested negative but the President would be tested again in a few days. At 65, Kyari is one of the oldest persons in Nigeria with a confirmed case of the novel coronavirus. Details later…