One of two official engagement photos released on December 21, 2017 by Kensington Palace of Prince Harry and Meghan Markle taken by Alexi Lubomirski at Frogmore House in Windsor, Britain. Picture taken in the week commencing December 17, 2017. REUTERS/Alexi Lubomirski/Pool

LONDON (Reuters) - Britain’s Prince Harry and his American fiancée Meghan Markle have released a series of portraits by New York-based fashion photographer Alexi Lubomirski to mark their engagement.

Lubomirski, a former assistant to Mario Testino, famed for his photos of Harry’s mother Princess Diana, took the pictures this week at the royal retreat of Frogmore House, near Windsor Castle, west of London, where the couple are due to marry on May 19.

“I cannot help but smile when I look at the photos that we took of them, suchwould trust a religious leader the most.

People in these countries were typically among the least trusting of scientists, doctors or nurses.

Health misinformation in Africa has long been a concern. The fact-checking organisation Africa Check was set up in the wake of misinformation spread in Nigeria about the polio vaccine.

Africa Check's Lee Mwiti said the scale of false health claims that their teams encounter in the four countries where they work is significant, among them debunking quack cancer cures and rumours of "life-saving cough CPR".

Mr Mwiti said the spread of misinformation was "of great concern on the continent because people do change their behaviour on the strength of their implied claims".

Image copyright Getty Images Image caption Confidence in vaccines in many sub-Saharan African countries is high compared with the