David Olson

@davidolson11.bsky.social

Health care reporter for Newsday.

A story of hope and heartbreak: 5-year-old Anna's diagnosis of the rare and deadly disease MLD led doctors to test 2-year-old brother Joey for the genetic defect -- and start treatment that may save his life. But Anna's diagnosis came too late to save her. www.newsday.com/news/health/...

A 5-year-old's terminal MLD diagnosis gives her baby brother a chance to fight the rare disease

Anna may end up saving Joey's life, although she may not live to see him grow up.

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Healthfirst policyholders no longer are in-network at Catholic Health. It's the result of a growing number of disputes over reimbursement rates between insurers and health systems that is forcing patients to scramble to find new doctors. www.newsday.com/news/health/...

Healthfirst holders on Long Island lose in-network rates at Catholic Health hospitals

The contract's end means patients insured by Healthfirst must look for new doctors and other medical specialists.

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Sickle cell patients at Long Island hospitals were far more likely to be admitted with life-threatening symptoms than other NYers, a new study finds. Most people with sickle cell can now live relatively normal lives -- if they have access to treatment. www.newsday.com/news/health/...

Sickle cell disease patients at Long Island hospitals had highest risk of dying, study finds

About 10% of people hospitalized with sickle cell on Long Island between 2009 and 2022 faced a "major risk of mortality," about twice the state average.

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For Christie Wanderer of Babylon, allegations that LI parents have used falsified records to send unvaccinated kids to school are "unfathomable." Her 5-year-old daughter Ella had a bone marrow transplant & could die from a disease like measles. www.newsday.com/news/health/...

Vaccine skepticism worries scientists, parents of kids with cancer

Allegations that a former Amityville nurse falsified immunization records of hundreds of children highlight increased skepticism.

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Despite mounting evidence that Long Island nurse Julie DeVuono was falsifying kids' vaccine records, the state let her keep practicing. She has never been criminally prosecuted for it. via Jim baumbach & me. Video w/ @kenbuffa.bsky.social www.newsday.com/long-island/...

Wild Child's Julie DeVuono: Behind the childhood vaccine probe that didn't happen.

The state urged Suffolk prosecutors to investigate Wild Child's Julie DeVuono for pediatric vaccine fraud. They never did.

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Rising health care costs have spurred more contentious disputes between insurers and health systems that in some cases have led to patients losing access to their doctors. We look at why the two sides are increasingly "after each other’s throats." www.newsday.com/news/health/...

Catholic Health, Healthfirst feud highlights rise in conflicts between providers and insurers

Healthfirst sent letters notifying policyholders that its association with Catholic Health had ended and that patients must find a new in-network primary care provider by April 30.

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Josue & Jose Trejo Lopez came to the US at ages 10 & 11. They have no criminal record. ICE deported the Long Island brothers to El Salvador, where they have no family. "My brother and I are alone in this country." www.newsday.com/long-island/...

These Long Island brothers came to the U.S. as kids. ICE deported them to a country they hardly know.

With no criminal records, they went for a routine check-in. Sent to El Salvador, they're desperate to return to their American lives.

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COVID deaths nationwide in 2025 were 23 times lower than in 2021. Long Island saw a similar decline. Experts say our bodies’ strengthened immune systems from previous infections & vaccines, a less virulent virus & better treatments are the key reasons. www.newsday.com/news/health/...

COVID deaths drop by half on Long Island, in U.S.

On Long Island, the number of people who died of COVID-19-related causes fell from about 410 in 2024 to about 220 in 2025

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For the 60th straight year, a group of New Hyde Park guys -- now joined by their families -- played football on Thanksgiving: "It’s definitely tough. Last year I hurt my shoulder. This year my knee’s killing me. But I’m still playing." www.newsday.com/long-island/...

New Hyde Park Thanksgiving tradition marks 60 years of friends, family and football

A Thanksgiving flag football game in New Hyde Park featured three generations of friends and family taking the field for the 60th annual matchup.

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New Northwell lab to study potential medical benefits and potential harms of marijuana, psychedelic drugs & alcohol. It is applying to be among the nation's first to get a federal OK to dispense cannabis to study subjects & observe them while they're high. www.newsday.com/news/health/...

New Northwell facility to study good and bad of cannabis and psychedelics

There are only about 10 labs nationwide in which cannabis can be legally dispensed on-site to subjects.

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As open enrollment begins today, Long Islanders signing up for Obamacare may suffer sticker shock, with no agreement on extending federal subsidies in sight: “The choice people will be making is between health insurance and groceries." www.newsday.com/news/health/...

Health care sticker shock as Affordable Care Act enrollment begins

The average premium increase for Long Islanders with subsidized plans would be 32%, the state estimates.

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