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Simar Bajaj

Simar Bajaj studies epidemiology at the University of Oxford and has previously written for the Washington Post, the Guardian, National Geographic, Time and the Atlantic. He has been recognized with the Science Story of the Year award from the Foreign Press Association and as a top early-career journalist by the National Academies of Science, Engineering and Medicine.

Stories from this author

Experts say those patients at the highest risk of developing severe illness should get vaccinated.

Six Questions About Covid-19 Vaccines, Answered

Recent vaccination announcements have led to some confusion. Four physicians weigh in on who should get vaccinated and when

More than a third of endometriosis patients are misdiagnosed with mental health conditions.

For Some Women With Serious Physical Ailments, Mental Illness Has Become a Scapegoat Diagnosis

Patients with difficult-to-diagnose conditions like endometriosis are often sent home with diagnoses like anxiety or bipolar disorder

Many new digital psychiatry solutions have attracted funding in recent years, and experts have questions about how helpful or harmful they will be.

Can Digital Psychiatry Really Fill the Mental Health Care Gap?

Thousands of new tools with unproven results are entering the fold to help Americans in need

A pharmacist delivers a Covid-19 booster shot in Chicago during a clinic for seniors.

When Should I Get Another Covid Booster?

Here’s what you need to know about getting your next vaccine

Residents of Washington, D.C. wait in line to get Covid-19 test kits in December of 2021. The United States lagged behind other nations in testing during the first few months of the pandemic.

Six Lessons We’ve Learned From Covid That Will Help Us Fight the Next Pandemic

Public health experts weigh in on the steps America needs to take to stem a future outbreak

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Can This New A.I. Tool Help Detect Blood Poisoning?

The algorithm scans electronic records and may reduce sepsis deaths, but widespread adoption could be a challenge

A pharmacist prepares to administer a Covid-19 booster shot to help protect a patient against the Omicron subvariants BA.4 and BA.5.

Four Big Questions About the New Covid-19 Boosters, Answered

The FDA and CDC recently recommended new boosters to target the Omicron subvariants. Here’s what you need to know about them.

A registered nurse measures out a monkeypox vaccine in Miami, Florida.

Six Big Questions About the Monkeypox Virus, Answered

The United States recently declared the monkeypox outbreak a public health emergency. Here’s what you need to know about the disease

Surgeon Bartley Griffith examines the pig heart before the transplant.

Why Did the First Human Patient to Receive a Pig Heart Transplant Die?

Scientists have come up with at least four explanations

As of June 15, the World Health Organization had recorded a total of 2,103 confirmed monkeypox cases in 42 countries. Pictured: a colorized transmission electron micrograph of monkeypox virus particles (green) cultivated and purified from cell culture

What You Need to Know About the History of Monkeypox

Mired in misconception, the poxvirus is endemic in certain African countries but was rarely reported in Europe and the U.S. until recently