September 13 coronavirus news

The World Health Organization received reports of 307,930 new Covid-19 cases worldwide in the past 24 hours -- the highest single-day increase in global infections since the pandemic began.

The previous daily high was set on September 6, when 306,857 cases were reported.

The total number of cases that have been reported to the WHO from around the globe now stands at 28,637,952.

There were also 5,537 new coronavirus deaths reported to the WHO over the past 24 hours, bringing the global death toll to at least 917,417.

CNN is tracking worldwide coronavirus cases here:

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Tracking coronavirus' global spread

The Czech Republic reported a single-day high in new coronavirus infections, with 1,541 new cases recorded on Saturday, according to its Health Ministry.

The spike in cases coincides with increased testing, with an average of 15,000 people being tested every day. On Friday alone, 18,200 people were tested for the virus.

The Czech Republic's total Covid-19 caseload now stands at 35,401, with 453 deaths.

Australia's Victoria state recorded 35 new Covid-19 cases on Sunday, according to Victoria's Department of Health and Human Services.

This is the state's lowest daily increase in infections since June 26, according to statistics from the department.

The total number of cases confirmed in Victoria now stands at 19,870. Seven deaths were also recorded on Sunday, bringing the total death toll in the state to 730.

Protests: Over the weekend, anti-lockdown protests were held in Melbourne, leading to the arrest of at least 88 people. Video of the demonstrations showed police in riot gear arresting protesters in the streets while onlookers chanted “freedom.”

On Sunday night, Victoria also began slowly lifting certain coronavirus lockdown restrictions, according to Victorian Premier Daniel Andrews. In Melbourne, playgrounds and outdoor fitness equipment have been reopened, while those living alone or single parents are allowed to have one other person in their home.

Israel approved a second general lockdown Sunday evening as coronavirus cases surge across the country. The lockdown, which is expected to start Friday afternoon, will see the country return to many of the same severe restrictions of the first lockdown back in April. 

Schools, restaurants (except delivery), and entertainment venues will all close, as well as other businesses, for an initial period of three weeks. The public sector will operate with a limited workforce, while private sector businesses can operate as long as non-employees do not enter the workspace. 

People will be required to stay within 500 meters of their home. Emergency services, as well as pharmacies and food stores will remain open. Outdoor gatherings will be limited to 20 people, while indoor gatherings will be limited to ten. 

Restrictions will be eased once Israel records a sharp decline in infection rates, though no number has been put on what might constitute such a decline. 

At a cabinet meeting earlier Sunday, Israeli Prime Minister Benjamin Netanyahu said the country's coronavirus czar had raised "a red flag regarding the ability of the health system to handle the challenges that are upon us, and [thus] the need to take the necessary steps as a result."  

By the numbers: Netanyahu announced the lockdown after coronavirus cases surged last week, hitting a record of 4,217 new cases in 24 hours on Thursday, the third day in a row with more than 4,000 new cases recorded.

The number of patients in serious condition has also steadily climbed, reaching a high of 513 serious cases and 138 on ventilators as of Saturday. 

Florida's health department reported 2,431 new Covid-19 cases, bringing the state's total number of cases to 663,994. 

Florida also reported eight new Covid-19 related deaths, bringing the total number of deaths in the state to 12,608. 

One thing to note: These numbers were released by the Florida Department of Health and may not line up exactly in real time with CNN’s database drawn from Johns Hopkins University and the Covid Tracking Project 

There are at least 6,496,159 cases of coronavirus in the US and at least 193,787 people have died, according to data from Johns Hopkins University.

As of Sunday afternoon, 10,945 new cases and 94 new deaths have been reported in the US since midnight.     

The totals includes cases from all 50 states, the District of Columbia and other US territories, as well as repatriated cases.    

Pfizer CEO Albert Bourla said there is “quite good chance” the team testing his company’s vaccine candidate for Covid-19 will know whether it works by the end of October. 

When asked whether people would have to wait until 2021 to actually get the vaccine, Bourla said that he didn’t know how long it would take for regulators to approve it.

“We have a good chance that we will know if the product works by the end of October. Then, of course, it is (the) regulator’s job to issue (a) license or not," he said.

Pfizer has already started manufacturing vaccine and he said hundreds of thousands of doses have already been made. 

More details: Bourla said vaccine distribution will be a problem. Shipping medicines is complex, particularly when they need special storage conditions. But he said Pfizer already knows how to do it very well. 

As for who gets the vaccine, Bourla said that is something the authorities should decide, for example, the US Centers for Disease Control and Prevention.

Major League Baseball and the players association announced Sunday that the San Francisco Giants and San Diego Padres will play in a doubleheader on Sunday after the team’s games were cancelled Friday and Saturday due to a Giants player testing positive for Covid-19. 

MLB and the union's committee reviewed the case and determined the initial positive test “did not represent an actual infection or present a risk to other personnel.” 

The United Kingdom reported 3,330 new coronavirus cases as of Sunday morning as England prepares for new restrictions to go into effect Monday after a recent rise in the infection rate.

Five more people have died, bringing the total death toll from Covid-19 to 41,628, the UK said.