The Latest Breaking News from Ziyad AlAly

The first study to look at two years of data shows the devastating effects of long COVID-but there are still no validated treatments.

COVID-19 has taken a toll on the nation's heart health but how profound is only starting to emerge

After more than three years, the global COVID-19 emergency is officially over. Yet it’s still killing at least one person every four minutes and questions on how to deal with the virus remain unanswered, putting vulnerable people and undervaccinated countries at risk.

The chances of developing lingering symptoms after COVID appears to fall sharply from the first to the second time someone gets sick, new research finds. The risk is still significant.

COVID-19 isn’t “just a flu,” with a study of hospital patients finding that the virus was still 60% deadlier than influenza last winter.

The debate over the risks of reinfections – which are likely to continue – could determine what precautions people take, but experts disagree on the data

Some long COVID sufferers are paying thousands of dollars for COVID-19 antivirals, hoping they will lessen their symptoms during reinfections. While some experts say it's time to allow more Australia access to subsidised medications, others say more research is needed.

The health challenges that a bout of COVID-19 sometimes leaves in its wake can be troublesome, scary and quite mysterious. New research confirms they can be deadly as well.

The warning suggests getting it a second time could put you at greater risk of it being deadly - as researchers found repeat infections can result in serious health risks.

The risk of death, hospitalization and serious health issues from COVID-19 jumps significantly with reinfection compared with a first bout with the virus, regardless of vaccination status, a study published on Thursday suggests.

In a study, the antiviral drug was associated with a 26% less risk of developing long COVID.