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Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus.
Most people who fall sick with COVID-19 will experience mild to moderate symptoms and recover without special treatment. However, some will become seriously ill and require medical attention.

Oral antiviral drugs could reduce COVID-19 death risk by more than 50%

In a study from The University of Hong Kong, scientists conducted one of the first real-world studies to explore the inpatient use of oral...

New voice app could detect Parkinson’s and severe COVID-19 very early

In a study from RMIT University in Melbourne, scientists found a new screening test app could help advance the early detection of Parkinson's disease...

Smoking can increase your risk of viral infection, including a type of coronavirus

In a study from UC Davis Comprehensive Cancer Center, scientists found that current smokers have a 12% increased risk of a laboratory-confirmed viral infection...

Heart risk factors, not heart disease itself, may increase risk of COVID-19 death

In a study from the University of Michigan, scientists found heart risk factors, not heart disease itself, may increase the risk of COVID-19 death. They...

Vaccinations and older adults: What you should know

When fall arrives, many of us know it’s time to get the annual flu, or influenza, shot. It’s also a good time to consider what...

mRNA boosters extend COVID-19 protection but wane over time

In a study from Regenstrief Institute and Indiana University, scientists confirmed that mRNA booster immunizations extend protection against moderate and severe COVID for four...

Air pollution worsens COVID-19 outcomes, even in the fully vaccinated

In a study from the Keck School of Medicine of USC, scientists found that exposure to poor air quality worsens patient outcomes in COVID-19,...

Should I get a COVID booster and flu shot at the same time?

Yes, you can get the influenza vaccine and the COVID-19 vaccine or booster at the same time, and actually, I recommend doing exactly that. You...

Omega-3 fatty acids may help reduce severe COVID-19

In a study from Karolinska Institutet, scientists found intravenous treatment with omega-3 fatty acids in older hospitalized patients in intensive care due to COVID-19...

Why the flu vaccine is more important than ever this year

While social distancing and wearing masks kept the 2021–2022 flu season milder than pre-pandemic levels, experts who expect flu cases to rise this year...