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LOS ANGELES, CA - AUGUST 23, 2022: Jeremy Oyague, right, a registered nurse with The Los Angeles Department of Public Health, administers a COVID booster at a vaccination clinic to immunize people against monkeypox and COVID at The Village Mental Health Services in Los Angeles, a site run by The People Concern. (Christina House / Los Angeles Times)

How immune are we? Why answering this question is essential for post-pandemic life

In order to move through a world where the coronavirus is endemic, we need a reliable way to assess our individual level of immunity. Here’s how we can.

FILE - In this May 7, 2020 file photo, a pregnant woman wearing a face mask and gloves holds her belly as she waits in line for groceries at St. Mary's Church in Waltham, Mass. The Centers for Disease Control and Prevention urged all pregnant women Wednesday, Aug. 11, 2021 to get the COVID-19 vaccine as hospitals in hot spots around the U.S. see disturbingly high numbers of unvaccinated mothers-to-be seriously ill with the virus. (AP Photo/Charles Krupa, file)

Maternal deaths surged during the pandemic. How California is fighting that trend

FILE - Wyoming Gov. Mark Gordon gives the State of the State address to the Wyoming Legislature on March 2, 2021, inside the state Capitol in Cheyenne, Wy. Late Friday, March 17, 2023, Gordon signed a bill prohibiting abortion pills in the state and also allowed a separate measure restricting abortion to become law without his signature. (Michael Cummo/The Wyoming Tribune Eagle via AP, File)

Wyoming governor signs measure prohibiting abortion pills

Books "The End of Illness", "A Short Guide For a Long Life", and "The Lucky Years" by David B. Angus, MD, laying on a table
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Examination of USC doctor’s earlier books finds more troubling instances of plagiarism

A box of ivermectin is shown in a pharmacy as pharmacists work in the background.

California’s COVID misinformation law is entangled in lawsuits, conflicting rulings

Doug Whitney, left, looks at his son, Brian, in Manson, Wash., on Nov. 5, 2022. Doug inherited the same gene mutation that gave Alzheimer's disease to his mother, brother and generations of other relatives by the unusually young age of 50. Doug is a healthy 73, his mind still sharp. Somehow, he escaped his genetic fate. Brian, who also inherited the devastating family gene, has reached the fateful age of 50 without symptoms but knows that’s no guarantee. (AP Photo/Shelby Lum)

Alzheimer’s escapees: Seeking clues from the few who avoid their genetic fate

FILE - This April 26, 2017, file photo shows the Eli Lilly & Co. corporate headquarters in Indianapolis. Eli Lilly announced on Wednesday, March 1, 2023, will cut prices for some older insulins later this year, and immediately expand a cap on costs insured patients pay when they fill prescriptions. The moves promise critical relief to some people with diabetes who can face thousands of dollars a year in bills for insulin they need to live. (AP Photo/Darron Cummings, File)

Column: Eli Lilly is slashing insulin prices, but hold your applause

A person holds the drug Paxlovid from the U.S. pharmaceutical company Pfizer against Covid-19.

COVID-19 pill Paxlovid moves closer to full FDA approval

FILE - A technician holds a laboratory mouse at the Jackson Laboratory, Jan. 24, 2006, in Bar Harbor, Maine.

Scientists create mice using cells from two males for the first time

The coronavirus known as SARS-CoV-2, shown in purple, infects a cell, colored in green.

COVID-19 Pandemic: News, Links & Resources

Health news, ideas, advice and commentary.

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Covid-19 Pandemic and the Coronavirus

FILE - A person is taken on a stretcher into the United Memorial Medical Center after going through testing for COVID-19 Thursday, March 19, 2020, in Houston. On the third anniversary of the COVID-19 pandemic in 2023, the virus is still spreading and the death toll is nearing 7 million worldwide. Yet most people have resumed their normal lives, thanks to a wall of immunity built from infections and vaccines. (AP Photo/David J. Phillip, File)

COVID-19 pandemic three years later: Has the coronavirus won?

On the third anniversary of the COVID-19 pandemic, most people have resumed their normal lives thanks to a wall of immunity built from infections and vaccines.

FILE - This 2020 electron microscope image made available by the Centers for Disease Control and Prevention shows SARS-CoV-2 virus particles, which cause COVID-19. The House voted unanimously Friday, March 10, 2023, to declassify U.S. intelligence information about the origins of COVID-19, a sweeping show of bipartisan support near the third anniversary of the start of the deadly pandemic. (Hannah A. Bullock, Azaibi Tamin/CDC via AP, File)

House votes to declassify information about origins of COVID-19

FILE - A rat crosses a Times Square subway platform in New York on Jan. 27, 2015. So far this year, people have called in some 7,100 rat sightings — that’s up from about 5,800 during the same period last year, and up by more than 60% from roughly the first four months of 2019, the last pre-pandemic year. (AP Photo/Richard Drew, File)

The coronavirus has infected New York City’s rats. Why that’s bad news for people

Security guards stand in front of the closed Huanan Seafood Wholesale Market in the city of Wuhan, in the Hubei Province, on January 11, 2020, where the Wuhan health commission said that the man who died from a respiratory illness had purchased goods. - China said on January 11, 2020 that a 61-year-old man had become the first person to die from a respiratory illness believed to be caused by a new virus from the same family as SARS (Sudden Acute Respiratory Syndrome), which claimed hundreds of lives more than a decade ago. Forty-one people with pneumonia-like symptoms have so far been diagnosed with the new virus in Wuhan, with one of the victims dying on January 8, 2020, the central Chinese city's health commission said on its website. (Photo by NOEL CELIS / AFP) (Photo by NOEL CELIS/AFP via Getty Images)

Opinion: I called for more research on the COVID ‘lab leak theory.’ Here’s what I found out

Dr. Desiree Marshall examines the preserved heart of a person who died of COVID-19 related complications.

Scientists hope viruses hiding out in patients hold answers to long COVID

Abcarian: Mask mandates? COVID origins? Why are we still having these debates?

China says it’s been ‘open and transparent’ on COVID origins

COVID-19 pandemic most likely began with a lab leak, U.S. Department of Energy says

California says it can no longer afford aid for COVID testing, vaccinations for migrants

Covid-19 Vaccines

A nurse processes COVID-19 rapid antigen tests at a testing site in Long Beach, Calif., Thursday, Jan. 6, 2022.

Fatigue, cough and brain fog. For many in L.A. County, long COVID limited daily life

Most L.A. County residents who had long COVID reported symptoms severe enough to limit daily activities weeks after they were infected, a survey found.

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