Top Stories: As new and more potent coronavirus variants emerge and reports show some vaccines declining in efficacy, countries -- mostly in the developed world -- are getting ready to provide booster shots. But many health experts say they are not needed – at least yet – and the World Health Organization says available vaccines should go first to the unvaccinated in less-developed countries. Migrants rescued by the charity rescue ship Sea-Watch 3 on Saturday night were transferred to the "SNAV Adriatico" ship for a mandatory two-week quarantine. At least 51 people were killed when Islamist militants raided three villages in central Mali near the border with Niger, according to a regional administrator. Rwandan and Mozambican security forces say they have recaptured the port town of Mocimboa da Praia, an insurgents' stronghold. Last month, the Rwandan government deployed a thousand -strong force to Mozambique to fight alongside the country's army and troops of the 16-member Southern African Development Community (SADC). Zambians are set to choose a new president, parliament and local representatives on Thursday . Analysts say the country remains tense due to the much-anticipated competitive contest between incumbent President Edgar Lungu and main opposition leader Hakainde Hichilema.The Law Association of Zambia (LAZ) is calling on all political parties and their supporters to accept the outcome of the general election. The group is also encouraging political parties that dispute the results to seek redress in court. Abyudi Shonga is the president of the Law Association of Zambia. He tells VOA's Peter Clottey that it is important for the political parties and their supporters to respect the results of the polls. The U.S. intelligence community is expected to send a report to President Joe Biden later this month examining the two leading theories on the origins of COVID-19. One claims the virus was accidentally released from a lab; the other that it emerged from human contact with an infected animal. VOA’s Jesusemen Oni reports from Washington. The Russian government’s COVID-19 vaccine diplomacy with its Sputnik V vaccine has run into some problems. China’s “wolf warrior” diplomacy represents China as an aggressive, rising s)uperpower. The name is inspired by the Chinese blockbuster Wolf Warrior film franchise, whose first film debuted in 2015. VOA’s Penelope Poulou spoke with experts on film and Chinese diplomacy about the franchise, its Hollywood influence and its phenomenal appeal with Chinese audiences