TOPSHOT - French Health Minister Olivier Veran (C-L) and French Overseas Minister Sebastien Lecornu (C-R) visit a Covid-19 vaccination center in Lamentin, Martinique, on August 12, 2021 as France's government warned of an "extremely serious" Covid-19 crisis in the country's overseas territories, especially in the Caribbean, saying that infection rates had climbed to levels unprecedented on the mainland. - Martinique tightened a lockdown and told tourists to leave while similar measures were also expected on the nearby French overseas territory of Guadeloupe, a huge blow to the Caribbean islands at the height of the summer season. (Photo by Lionel CHAMOISEAU / AFP)