Following is a summary of current health news briefs. U.S. coronavirus deaths rise by 1,453, biggest increase since May 27: Reuters tally

U.S. deaths from the novel coronavirus rose by at least 1,453 on Friday, the biggest one-day increase since May 27, to reach a total of 153,882, according to a Reuters tally. U.S. cases rose by at least 66,986 to a total of 4.58 million with some local governments yet to report. Australia’s Victoria sees COVID-19 cases drop, still mulling curbs

Australia’s second most populous state, Victoria, reported 397 cases of the new coronavirus on Saturday, down by more than a third from Friday, but authorities said they are considering further restrictions as numbers remain worrisome. Three people died from factors related to COVID-19 in the 24 hours to early Saturday, Victoria Premier Daniel Andrews said. This brings the state’s deaths in the pandemic to 116 and Australia’s tally to 201. U.S. makes deal for 100 million doses of coronavirus vaccine, deaths expected to rise

Two major drug companies will supply the U.S. government with 100 million doses of an experimental coronavirus vaccine, the Trump administration said on Friday, as the nation’s top health agency predicted that fatalities would rise in the coming weeks. The agreement calls for the U.S. government to pay French drug maker Sanofi and British pharmaceutical giant GlaxoSmithKline up to $2.1 billion to supply it with enough vaccines for 50 million people, with the option to buy another 500 million doses. Ukraine’s COVID-19 death toll could reach 4,000, health officials say

Health officials in Ukraine, which has seen a spike in coronavirus cases this week, said on Saturday the outbreak could cause the nation’s death toll to reach 4,000, more than double the current fatalities, Interfax Ukraine news agency said. Ukraine reported a record high 1,197 new coronavirus cases on July 29 and a record number of hospital admissions, with health authorities blaming the jump on wider use of public transport and attendance at church services. Russia preparing mass vaccination against coronavirus for October

Russia’s health minister is preparing a mass vaccination campaign against the novel coronavirus for October, local news agencies reported on Saturday, after a vaccine completed clinical trials. Health Minister Mikhail Murashko said the Gamaleya Institute, a state research facility in Moscow, had completed clinical trials of the vaccine and paperwork is being prepared to register it, Interfax news agency reported. U.S. records over 25,000 coronavirus deaths in July

U.S. coronavirus deaths rose by over 25,000 in July and cases doubled in 19 states during the month, according to a Reuters tally, dealing a crushing blow to hopes of quickly reopening the economy. The United States recorded 1.87 million new cases in July, bringing total infections to 4.5 million, for an increase of 69%. Deaths in July rose 20% to nearly 154,000 total. California, Florida report record increases in COVID-19 deaths

California and Florida, two of the most populous U.S. states, reported record increases in COVID-19 deaths on Friday, according to a Reuters tally. Florida reported 257 deaths and California 208 fatalities. Trump planning for U.S. rollout of coronavirus vaccine falling short, officials warn

As scientists and pharmaceutical companies work at breakneck speed to develop a vaccine for the novel coronavirus, public health officials and senior U.S. lawmakers are sounding alarms about the Trump administration’s lack of planning for its nationwide distribution. The federal government traditionally plays a principal role in funding and overseeing manufacturing and distribution of new vaccines during pandemics, which often draw on scarce ingredients and need to be made, stored and transported carefully. Vietnam reports 40 more COVID-19 cases, total rises to 586

Vietnam’s health ministry on Saturday reported 40 new coronavirus cases, taking total infections in the country to 586, with three deaths. Most of the new cases are linked to hospitals in Danang city, where the country last week detected its first locally transmitted infections in more than three months. ‘Losing battle’: Philippine doctors, nurses urge new COVID-19 lockdowns as infections surge

Philippines President Rodrigo Duterte on Saturday ordered his coronavirus task force to address the concerns of more than a million doctors and nurses who called for reviving strict lockdowns after a third day of record infections. But the government cast doubt on the request of the frontline healthcare workers to revive strict lockdowns of the populous area in and around the capital Manila.