AYENAT MERSIE and GEORGE OBULUTSA THE African Union's (AU) top health official called Britain's lack of recognition for coronavirus vaccines administered in Africa regrettable, saying it sends a confusing public health message. England announced last week that it would expand the list of countries from which it recognises vaccines, adding 17 others beyond the initial list of the United States and Europe. None of those countries are in Africa. The British government sets coronavirus policy for England, while Scotland, Wales and Northern Ireland are in charge of their own rules. "We regret that the UK would take this position. We…