Britain's AstraZeneca said good data was coming in on its vaccine for COVID-19.
"The vaccine development is progressing well. We have had good data so far. We need to show the efficacy in the clinical programme, but so far, so good," Chief Executive Pascal Soriot said on a media call.
AstraZeneca has already reached deals with countries to make more than 2 billion doses of its COVID-19 vaccine, developed in partnership with the University of Oxford, and says it could be approved by the end of this year.
The company has had a busy few months - it took on development of the COVID-19 shot, received billions in government funding, signed several supply deals, and was even the subject of a mega-merger speculation - all while marching on with its core business.
There are no approved vaccines for the illness caused by the new virus, but AstraZeneca's shot is widely considered the leading candidate after results from early-stage human trials showed it was safe and produced an immune response.
The drugmaker also announced second-quarter results that beat its sales and profit estimates, thanks to its diverse product line-up.
Pakistan said it launched strikes on targets in Afghanistan after blaming recent suicide bombings, including assaults during the holy month of Ramadan, on fighters it said were operating from its neighbour's territory.
One police officer was killed and 24 other people were injured after several explosive devices detonated at midnight in Lviv in western Ukraine, the National Police said on Sunday.
President Donald Trump said on Saturday he will raise a temporary tariff from 10 per cent to 15 per cent on US imports from all countries, the maximum level allowed under the law, after the US Supreme Court struck down his previous tariff programme.
The move came less than 24 hours after Trump announced a 10% across-the-board tariff on Friday after the court's decision. The ruling found the president had exceeded his authority when he imposed an array of higher rates under an economic emergency law.
The new levies are grounded in a separate but untested law, known as Section 122, that al
Hong Kong proposes to spend about HK$4 billion ($512 million) to buy out the owners of homes in a high-rise housing complex ravaged by a massive fire to resettle nearly 2,000 affected households.
The US Supreme Court struck down Donald Trump's sweeping tariffs that he pursued under a law meant for use in national emergencies, handing a stinging defeat to the Republican president in a landmark opinion on Friday with major implications for the global economy.