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Carla K. Johnson

In 1st, surgeons transplant pig heart into human patient

In a medical first, doctors transplanted a pig heart into a patient in a last-ditch effort to save his life and a Maryland hospital said Monday that he's doing well three days after the high...

Can you safely enjoy the holidays? Experts offer COVID tips

The delta and omicron variants of the coronavirus are trying to spoil the holiday spirit, but there still are ways to enjoy the festivities. The explosive spread of the omicron variant is ca...

Cheap antidepressant shows promise treating early COVID-19

Course of COVID-19 treatment would cost $4

COVID has killed about as many Americans as the 1918-19 flu

COVID-19 has now killed about as many Americans as the 1918-19 Spanish flu pandemic did – about 675,000. The U.S. population a century ago was just one-third of what it is today, meaning th...

U.S. lifts barriers to prescribing addiction treatment drug

The Biden administration is easing decades-old requirements that made it difficult for doctors to treat opioid addiction using medication. New guidelines announced Tuesday mean do...

COVID-19 pushed total U.S. deaths beyond 3.3 million last year

The COVID-19 pandemic pushed total U.S. deaths last year beyond 3.3 million, the nation’s highest annual death toll, the government reported Wednesday. The coronavirus caused appr...

More U.S. patients to have easy, free access to doctor’s notes

More U.S. patients will soon have free, electronic access to the notes their doctors write about them under a new federal requirement for transparency. Many health systems are ope...

U.S. panel tackles race, poverty in virus vaccine priorities

A U.S. advisory panel made recommendations Friday for who should be first in line to get COVID-19 vaccine, including a plea for special efforts by states and cities to get the shots to low-i...

Can tear gas and pepper spray increase virus spread?

Police departments have used tear gas and pepper spray on protesters in recent weeks, raising concern that the chemical agents could increase the spread of the coronavirus. The ch...

Masks and social distancing work, new analysis finds

Masks and social distancing can help control the coronavirus but hand washing and other measures are still needed, a new analysis finds. Researchers concluded single-layer cloth m...

Q&A: Emerging picture of virus shows world at critical stage

The global spread of infection from the new virus reached a critical stage this week with the number of new cases reported in the rest of the world surpassing the number of new cases in Chin...

‘Vast majority’ of vaping illnesses blamed on vitamin E

Health officials now blame vitamin E acetate for the “vast majority” of cases in the U.S. outbreak of vaping illnesses and they say doctors should monitor patients more closely after they go...