CNN Health

A pair of conjoined twin girls with an extremely rare condition have been successfully separated at a hospital in the Vatican City.

The World Health Organization confirmed there is "emerging evidence" of airborne transmission of the coronavirus following the publication of a letter Monday signed by 239 scientists that urged the agency to be more forthcoming about the likelihood that people can catch the virus from droplets floating in the air.

From social distancing and self-quarantine to a new take on sheltering in place, our coronavirus vocabulary expands almost daily.

The worsening coronavirus pandemic hit a series of somber peaks across the United States on Tuesday, renewing fears that more hospitals could be overloaded with Covid-19 patients.

As Covid-19 cases in the US spike, some states, labs and public health departments are warning that turnaround times for diagnostic testing have slowed.

Brazilian President Jair Bolsonaro has tested positive for Covid-19, following months of downplaying the virus.

Prescriptions for the anti-malarial drugs chloroquine and hydroxychloroquine skyrocketed in the US from February to March, a time when the drugs, though unproven, were touted as treatments for the coronavirus.

People with no obvious symptoms of Covid-19 -- called "silent spreaders" -- may be responsible for half of the Covid-19 cases in the US, a new study has found.

"Operation Warp Speed," the federal government's Covid-19 vaccine program, on Tuesday announced the largest government Covid-19 vaccine contract to date -- a $1.6 billion contract with Novavax, a Maryland biotech company.

The US Environmental Protection Agency has approved two Lysol products as effective against the novel coronavirus when used on hard, non-porous surfaces.

The cough has come back, without warning and seemingly for no reason; so has the fatigue. True, neither are as debilitating as when I had the actual virus, but they are back.

Refusing to wear a face mask during the Covid-19 pandemic should be as socially unacceptable as drunk-driving, or driving without using a seat belt, the president of the UK's Royal Society said Tuesday.

An antibody cocktail is now beginning late-stage clinical trials to evaluate the drug's ability to prevent and treat coronavirus infection.

So, about masks -- they do next to nothing if you don't wear them properly.

Though race and racism are at the top of Americans' public discussion, most white parents don't talk about those issues with their kids.

During summers before the pandemic, I was delighted to let my 7-year-old explore different sides of himself than what he focuses on during the school year. This might have meant more time in nature, doing fun coding projects, binge-reading age-appropriate spy series or spraying his little brother with the hose.

As the US grapples with Covid-19, its economic fallout, and the continuing anguish of racial injustice, many of us are struggling with our mental health. A Census Bureau survey found that one in three Americans are now reporting symptoms of depression or anxiety -- more than three times the rate from a similar survey conducted in the first half of 2019.

A gut-wrenching experience. Butterflies in your stomach.

Despite claims that Florida traces every case of Covid-19, a CNN investigation found that health authorities in Florida, now the nation's No. 1 hotspot for the virus, often fail to do contact tracing, long considered a key tool in containing an outbreak.