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Can mixing and matching COVID-19 vaccines fix Australia’s rollout problem?

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COVID-19 vaccine.

Mixing and matching COVID-19 vaccines is gaining momentum.

As countries around the world continue to rollout their COVID-19 vaccine programs, some nations have been slowed by supply disruptions or vaccine hesitancy. But experts believe mixing and matching COVID-19 vaccines could be the solution.

Dr John Hart is a medical epidemiologist at the Murdoch Children’s Research Institute. He said people can receive the AstraZeneca vaccine as the first dose, then Pfizer or Moderna as the second dose.

“Many countries around the world, like Australia, have recommended that people in younger age groups don’t receive the AstraZeneca vaccine.

“There’s a study from Spain where people received their first dose of AstraZeneca and then receiving a second dose of Pfizer.

It appears that these people have a stronger immune response than if they received two doses of the AstraZeneca,” he explained.

Germany, France, Sweden, Denmark and Norway are among the countries that are advising mixed vaccination schedules.

“They produce more antibodies and we think this would be more effective at preventing disease,” Dr Hart said.

Is it safe?

A UK study was published last month. It followed 830 adults who received the AstraZeneca or Pfizer vaccines first, then the other at a later date.

The research found that people with mixed doses were likely to develop some mild symptoms. However, the reactions did not last long and no other concerns were raised.

“Every country in the world wants these vaccines and there’s going to be a limited supply for some time,” Dr Hart said.

“If we’re able to give one vaccine thats readily available and one that’s available later because of disruptions to supply chain, then I think that could be beneficial.”

But vaccine schedules may require modification in the near future, as booster shots rollout. However, researchers believe this is typical for vaccine programs as new evidence comes to light.

Last month, the European Union secured a record number of Pfizer-BioTech vaccines. But the World Health Organisation has criticised the global community for vaccine inequity.

Costa is a news producer at ticker NEWS. He has previously worked as a regional journalist at the Southern Highlands Express newspaper. He also has several years' experience in the fire and emergency services sector, where he has worked with researchers, policymakers and local communities. He has also worked at the Seven Network during their Olympic Games coverage and in the ABC Melbourne newsroom. He also holds a Bachelor of Arts (Professional), with expertise in journalism, politics and international relations. His other interests include colonial legacies in the Pacific, counter-terrorism, aviation and travel.

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FBI hunts assassin who shot Charlie Kirk at Utah Valley University

Charlie Kirk, conservative influencer, shot dead at 31 during speech at Utah Valley University, prompting ongoing manhunt for suspect

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Charlie Kirk, conservative influencer, shot dead at 31 during speech at Utah Valley University, prompting ongoing manhunt for suspect

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In Short:
– Federal authorities are investigating the shooting of Charlie Kirk, who was killed at Utah Valley University.
– A manhunt for the actual shooter is underway; two men have been questioned and released without charges.
Federal authorities are investigating the shooting of conservative influencer Charlie Kirk, who was killed while speaking at Utah Valley University.
The incident occurred around 12:20 PM when Kirk was shot in the neck, leading to a chaotic scene as attendees fled. Kirk, a father of two, died shortly after being taken to a local hospital.Investigators believe the shooter fired from a building approximately 200 yards away.

During the aftermath, two men, one of whom claimed to have fired the shot, were taken into custody but later released without charges. A manhunt is ongoing for the actual shooter.

Utah Governor Spencer Cox stated that those responsible will be held accountable, outlining the state’s commitment to justice.

President Donald Trump condemned the political climate surrounding Kirk’s death, blaming extreme rhetoric and violence.

In a statement, he remembered Kirk as a patriot who advocated for open debate. Following the incident, vigils were held nationwide, and classes at the university have been cancelled.

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Ongoing Investigation

As investigations continue, American flags will fly at half-staff until Sunday in honour of Kirk.

“I want to be very clear that this is a political assassination,” Utah Governor Spencer Cox, a Republican, told a news conference.

“And I just want to remind people that we still have the death penalty here in the state of Utah.

The Utah Department of Public Safety said that its State Crime Lab was “working with multiple active crime scenes”.

“These were identified based on where the victim was shot, as well as the locations where the suspect and victim travelled,” a department statement said.

“The shooting is believed to be a targeted attack. The shooter is believed to have fired from the roof of a building down to the location of the public event in the student courtyard.”

Eyewitness account

Attendee Tiana Lao said the shooting came as a shock in what otherwise felt like an= normal event.

“We didn’t realise it was real at first and then everyone began rushing out, shouting to get down in panic and distress,” she told ABC News.

“People were excited. There were some opponents like there usually are at these events … but they were peaceful, so this was a total shock.”


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Who was Turning Point USA founder Charlie Kirk?

Conservative activist Charlie Kirk assassinated at Utah university, leaving a significant void in U.S. conservative politics. #BreakingNews

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Conservative activist Charlie Kirk assassinated at Utah university, leaving a significant void in U.S. conservative politics. #BreakingNews


Conservative activist Charlie Kirk has been assassinated while speaking at a Utah university, sparking shock and grief across America.

Known as the founder of Turning Point USA, Kirk became a leading voice in the MAGA movement, shaping conservative youth politics and energising Donald Trump’s base.

His sudden death leaves a major void in the U.S. conservative landscape.

#CharlieKirk #TurningPointUSA #USPolitics #BreakingNews #TickerNews


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Oracle stock surges, pushing Ellison toward richest title

Oracle shares soar 43%, pushing Larry Ellison closer to top billionaire status amid AI cloud contract boom

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Oracle shares soar 43%, pushing Larry Ellison closer to top billionaire status amid AI cloud contract boom

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In Short:
– Oracle shares rose 43% to $345.69, nearing a trillion-dollar valuation after multi-billion-dollar contracts were announced.
– Co-founder Larry Ellison’s net worth increased to $392.6 billion, making him a contender for the world’s richest person.
Oracle shares surged 43% to a record high of $345.69, putting the company close to joining the trillion-dollar club.
This spike follows the announcement of four multi-billion-dollar contracts on Tuesday, indicating a shift towards increased computing capacity necessary for AI development.Banner

The surge boosts co-founder Larry Ellison’s net worth to approximately $392.6 billion, making him a contender for the world’s richest person, currently held by Elon Musk at $439.9 billion.

Oracle expects to see a market valuation around $913 billion if gains hold, contributing an additional $234 billion.

Market Dynamics

Oracle’s significant contracts include one with OpenAI for about $300 billion in computing power over five years.

The partnership is critical as Oracle aims to expand its market share, currently dominated by Microsoft, Amazon, and Google, which collectively hold 65%.

The company also supports AI startups, including xAI, founded by Musk, affirming its essential role in upcoming large-scale AI infrastructure projects, projected to reach $500 billion.


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