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CNN's Matthew Chance details actions taken by Russian President Vladimir Putin ahead of his anticipated meeting with President Joe Biden in Lake Geneva, Switzerland.

The Transportation Security Administration has asked some of its office workers to help security officers with a surge of summer travel at the nation's largest airports. CNN's Pete Muntean reports.

A groundbreaking trial has cut dengue fever cases by 77% according to the World Mosquito Program. Researchers have found that the transmission of mosquito-borne diseases can be blocked by breeding mosquitoes that carry a safe and natural bacterium called Wolbachia.

Hong Kong customs announce their biggest ever bust of a speedboat gang smuggling luxury goods into the mainland, valued at HK$120 million ($15.4 million).

German Health Minister Jens Spahn announces that the CovPass application, with which Germans can prove that they have been vaccinated thanks to a QR code system, will be gradually introduced in Germany. After a test phase, vaccination centres, doctors' surgeries and pharmacies are gradually being integrated into the system and "by the end of June", everyone who wants to can download it onto their mobile phone and use it.

Copenhagen (AFP) – The World Health Organization's Europe Director Hans Kluge says that vaccination rates against Covid-19 in Europe are still far off from what is needed to stop a virus resurgence and calls on countries to maintain protective measures.

Covid-19 cases in Uganda were up 137% this week, the second straight week of a triple-digit spike in infections. The rapid surge in Uganda's brutal second wave has forced the country back into a partial lockdown to curb the spread. CNN's Larry Madowo reports from Kampala, Uganda.

Abel may look like a normal child but he is anything but. The humanoid robot is the fruit of a collaboration between bioengineers at the Pisa University and Gustav Hoegen, an FX artist from London company Biomimic, which specialises in realistic animatronics.

The governor of the Bank of Ghana, Ernest Addison says the apex bank is at advanced stages of introducing a digital currency otherwise known as the e-cedi.