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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).
CDC advises a booster once you're well, but some doctors suggest waiting a little longer.
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Both Pfizer’s Paxlovid and Merck’s molnupiravir are cleared for emergency use in non-hospitalized people with mild-to-moderate symptoms and at heightened risk of developing severe disease.
World AIDS Day 2021 highlights continuing inequalities in HIV prevention and treatment.
Yes, appendicitis treatment often involves surgery—but there’s growing evidence that antibiotics can also nip this medical emergency in the bud.
Plus, why the advice to steer clear of nuts and seeds is actually wrong.
One can be extremely painful, but the other may not show symptoms at all.
In some situations, a high-fiber diet is your best friend—in others, maybe not.
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You’ll want to visit your eye doctor ASAP you’re experiencing any of these. 
What to know about switching brands when it's time for your booster.
The plan, pending vaccine approval from both the FDA and CDC, will help immunize the approximately 28 million children in the US in that age group.
Panel unanimously recommends a second dose for adults 18 and older.
It's still not recommended in the US, but new data may shed light on the safety and effectiveness of a mix-and-match approach.
While getting vaxxed remains the best protection against severe COVID-19, infections are still possible. The evidence to date suggests older and sicker adults are particularly vulnerable.
CDC Director Rochelle Walensky, MD, signs off on an additional shot for older adults, certain at-risk individuals, and those who work in high-risk jobs.
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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.
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.
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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.