DONNA BRYSON THE persistence of racism is evident once again with the "blaming and shaming" of African nations for the Omicron variant of the coronavirus, health advocate Dr Joia Crear-Perry said on Wednesday. Speaking at a Reuters Next panel on racial disparities in Black maternal healthcare, Crear-Perry said the medical profession in the United States needed to stop resorting to racist tropes and start truth-telling. "Even if you look at the latest blaming and shaming that's happening around the latest Omicron variant you see the same history, the same racist trope of blaming certain places, assuming white nations and nations…