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Karen Pallarito

Karen Pallarito tells stories grounded in science and backed by solid reporting. As a freelance writer and editor for Health, she covers COVID-19 plus umpteen other health and wellness topics. Her freelance portfolio includes pieces for The Washington Post, U.S. News & World Report, Working Mother, Westchester Magazine, and the news syndicate HealthDay, among others. Karen started her career as a health policy reporter in the nation’s capital, where she covered congressional hearings on Medicare and Medicaid. From the late 90s to the early aughts, she reported on health business for Reuters Health and contributed to its medical and consumer health newswires. Prior to that, she was Modern Healthcare’s New York Bureau Chief. A fellow of the Association of Health Care Journalists’ 2019 class on Comparative Effective Research, Karen is committed to helping people understand the benefits and harms of clinical interventions and exposing racial/ethnic disparities in healthcare. When not on deadline, you might find her whipping up something in the kitchen, working out, bingeing on cable news, or indulging in some form of mind candy (aka reality TV).

Some scientists say the data do not support boosters across the board for everyone—at least not yet.
Depending on the quality of your fabric mask, you might want to consider something a little more protective.
While getting vaxxed remains the best protection against severe COVID-19, infections are still possible, and new data suggest that older and sicker adults are particularly vulnerable.
The shots will be free and available eight months after your second vaccine dose, if the plan is approved.
Public health officials are keeping tabs on this new mutation of the Delta variant.
Itchy bumps or oozing blisters? Here's what might be going on.
What do those bruises mean–and what can you do about them?
People with breakthrough Delta-variant infections could transmit the virus to others.
Doctors say most hand and foot blisters can be managed with simple, at-home treatments.
Though human cases are rare, Colorado health authorities are cautioning residents to take preventive measures as laboratory testing has confirmed reports of plague in fleas and animals.
Right now, there's no government recommendation to get a second dose.
Vaccination provides strong protection against severe disease, but you might want to mask up in certain situations.
The company says it issued the voluntary recall 'out of an abundance of caution.'
"It's pretty awful and I just cannot believe this is still happening in the world."
The mix-and-match approach has become a bit of a "dangerous trend" in some places.
More potent cannabis might be behind the surge in cases of this mysterious condition, which might lead to psychosis, according to experts.
It can't be safe to stick garlic cloves up your nostrils, can it?
Lambda has been reported in 29 countries, and it's causing concern.
Many parents are hesitant, so we asked doctors to weigh in on the most common concerns.
"I've been living it and being in the shame of it for long enough."
Customers are being advised to stop using the treadmills, and Peloton is offering full refunds for the machines.
Six women out of 6.8 million people who have received the J&J vaccine experienced this rare type of blood clot, according to the CDC.