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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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FAA uncovers Boeing quality control issues

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The Federal Aviation Administration disclosed concerning findings from its 737 MAX production audit involving Boeing and supplier Spirit AeroSystems.

The audit uncovered multiple instances where the companies allegedly failed to adhere to manufacturing quality control standards.

The FAA highlighted significant “non-compliance issues” within Boeing’s manufacturing processes, including concerns related to parts handling, storage, and product control.

While a summary of the audit findings has been shared with the companies involved, the details have not been made public due to the ongoing nature of the investigation.

Following a mid-air emergency on January 5 involving a new Alaska Airlines 737 MAX 9, where a door plug was lost at 16,000 feet, the FAA initiated the audit.

This incident prompted a temporary grounding of the MAX 9 and raised questions about the aircraft’s safety protocols.

New acquisition

Boeing, in response to these revelations, has been in discussions to acquire Spirit AeroSystems.

However, the company has not provided immediate comment regarding the audit findings.

FAA Administrator Mike Whitaker emphasized the necessity for Boeing to implement comprehensive corrective measures to address what he termed as “systemic quality-control issues.”

Whitaker stated that Boeing must commit to substantial improvements, with clear milestones and expectations set forth by the FAA.

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Can U.S. Moon lander Odysseus recover from it’s dormancy?

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The U.Ss moon lander Odysseus has gone dormant just a week after its somewhat lopsided touchdown on the lunar surface.

The mission, which aimed to conduct various experiments and collect valuable data, encountered an unexpected setback as the spacecraft’s systems initiated a dormant state.

Engineers and scientists at the space agency are working around the clock to analyze the situation and determine the cause of this unforeseen development.

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Trump wins disqualification case at U.S. supreme court

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Former President Donald Trump has emerged triumphant in the Colorado ballot disqualification case, as the United States Supreme Court upheld the decision in his favour.

The ruling marks the conclusion of a contentious legal battle that began when Colorado sought to disqualify Trump from its ballot during the previous election.

The Supreme Court, in a close decision, sided with Trump, asserting that the grounds for disqualification lacked substantial evidence and did not meet the necessary legal criteria. #ticker today #featured

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