FACTBOX-Latest on the worldwide spread of the coronavirus

* British Prime Minister Boris Johnson committed on Wednesday to holding an inquiry into the country's handling of the coronavirus crisis but said now was not the time. AMERICAS * Brazil President Jair Bolsonaro told reporters he has tested positive for coronavirus again. * Argentina has suspended exports to China from six meat packing plants after COVID-19 cases were found among their employees.

Oklahoma's Kevin Stitt became the first U.S. governor to test positive for COVID-19, while the country's leading expert on infectious diseases said he was confident the United States will meet its goal of a vaccine by the year's end.

DEATHS AND INFECTIONS * For an interactive graphic tracking the global spread, open https://tmsnrt.rs/3aIRuz7 in an external browser.

* For a U.S.-focused tracker with state-by-state and county map, open https://tmsnrt.rs/2w7hX9T in an external browser. * Eikon users, see MacroVitals (cpurl://apps.cp./cms/?navid=1592404098) for a case tracker and a summary of developments.

EUROPE * Barcelona may bring back some restrictions on daily life after the number of coronavirus cases tripled in a week.

* Sweden said its decision to keep schools open did not spur pandemic spread among children. * Belgium postponed a further easing of rules on social gatherings after an uptick in the number of infections.

* Ireland has delayed the planned opening of bars and nightclubs by three weeks to Aug. 10. * British Prime Minister Boris Johnson committed on Wednesday to holding an inquiry into the country's handling of the coronavirus crisis but said now was not the time.

AMERICAS * Brazil President Jair Bolsonaro told reporters he has tested positive for coronavirus again.

* Argentina has suspended exports to China from six meat packing plants after COVID-19 cases were found among their employees. * Leftist guerrillas and criminal organizations have attacked and killed civilians while enforcing curfews and quarantines across Colombia.

* Canada is on the cusp of zero deaths from COVID-19 for the first time since March, but officials see worrying signs of a new spike as provinces lift restrictions. ASIA-PACIFIC

* Philippines President Rodrigo Duterte is enforcing partial coronavirus restrictions in the capital for another two weeks. * Australia's most populous states will impose harsher restrictions on movement if a COVID-19 outbreak is not quickly bought under control.

* Prime Minister Benjamin Netanyahu announced a plan for government grants for all Israelis amid growing public anger over his handling of the coronavirus crisis. * Health experts put Tokyo on the highest alert for infections, alarmed by a recent spike in cases to record levels, while Tokyo's governor said the situation was "rather severe".

MIDDLE EAST AND AFRICA * South Africa's cases of COVID-19 crossed 300,000, the most in Africa and among the 10 highest in the world.

* COVID-19 has killed four Kenyan health workers and infected 450, the health ministry said on Wednesday, as word emerged of a slew of cases in Kenya's biggest maternity hospital. MEDICAL DEVELOPMENTS

* The U.S. government will buy Becton, Dickinson and Co's COVID-19 testing devices and kits, the company said. * The Lancet medical journal said it will publish keenly awaited phase 1 clinical trial data on a potential COVID-19 vaccine being developed by Astrazeneca and Oxford University on Monday.

* Russian scientists hailed the results of their first clinical trial of a potential coronavirus vaccine, saying it had been proved safe and that volunteers had developed an immune response. ECONOMIC FALLOUT

* World shares strode to four-month highs on Wednesday as hopes for a coronavirus vaccine offset rising U.S.-China tensions and also helped lift the euro and oil prices on improved sentiment. * The coronavirus pandemic will swell the ranks of the poor and unemployed in Latin America and the Caribbean and drag the region´s economic output down by 9.1%, a United Nations agency said.

* Canada's economic growth will not return to pre-pandemic levels until 2022, the Bank of Canada said. (Compiled by Sarah Morland, Devika Syamnath and Ramakrishnan M; Edited by Subhranshu Sahu, Tomasz Janowski and Arun Koyyur)