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FILE - The meteorite labeled ALH84001 is held in the hand of a scientist at a Johnson Space Center lab in Houston, Aug. 7, 1996. Scientists say they've confirmed the meteorite from Mars contains no evidence of ancient Martian life. The rock caused a splash 25 years ago when a NASA-led team announced that its organic compounds may have been left by living creatures, however primitive. Researchers chipped away at that theory over the decades. A team of scientists led by Andrew Steele of the Carnegie Institution published their findings Thursday, Jan. 13, 2022. (AP Photo/David J. Phillip)

Study finds no Martian life in meteorite found in Antarctica

Scientists have concluded that a meteorite from Mars contains no evidence of ancient Martian life.
Felisa Benitez, 86, wipes the sweat from her brow

Earth hits 6th warmest year on record, new measurements show

Los Angeles, CA - September 30: Kaiser Permanente's Los Angeles Medical Center on Sunset Blvd. on Thursday, Sept. 30, 2021 in Los Angeles, CA. (Irfan Khan / Los Angeles Times)

Omicron causing less severe illness in Southern California patients, study suggests

When am I most contagious if infected with omicron? (AP Illustration/Peter Hamlin)

When am I contagious if infected with Omicron?

Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases and chief medical adviser to the president, testifies before a Senate Health, Education, Labor, and Pensions Committee hearing to examine the federal response to COVID-19 and new emerging variants, Tuesday, Jan. 11, 2022 on Capitol Hill in Washington. (Greg Nash/Pool via AP)

Senate hearing on pandemic gets testy. ‘What a moron,’ Fauci says

LOS ANGELES, CA - APRIL 14, 2020 - Cheri Adams, foreground, donates blood as USC Athletics and the Red Cross host a blood drive to help maintain a stable blood supply during the coronavirus pandemic at USC Galen Center in Los Angeles on Tuesday, April 14, 2020. (Genaro Molina / Los Angeles Times)

The Red Cross says there’s a national blood shortage. Here’s how to donate

FILE - Maya Goode, a COVID-19 technician, performs a test on Jessica Sanchez outside Asthenis Pharmacy in Providence, R.I., Dec. 7, 2021. Scientists are seeing signals that COVID-19′s alarming omicron wave may have peaked in Britain and is about to do the same in the U.S., at which point cases may start dropping off dramatically. (AP Photo/David Goldman, File)

Omicron may be headed for a rapid drop in U.S. and Britain

Dr. Rochelle Walensky, Director of the Centers for Disease Control and Prevention, left, and Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases and chief medical adviser to the president, talk as they arrive for a Senate Health, Education, Labor, and Pensions Committee hearing to examine the federal response to COVID-19 and new emerging variants, Tuesday, Jan. 11, 2022 on Capitol Hill in Washington. (Greg Nash/Pool via AP)

Biden’s COVID response comes under fire in Senate hearing

In this photo provided by the University of Maryland School of Medicine, members of the surgical team show the pig heart for transplant into patient David Bennett in Baltimore on Friday, Jan. 7, 2022. On Monday, Jan. 10, 2022 the hospital said that he's doing well three days after the highly experimental surgery. (Mark Teske/University of Maryland School of Medicine via AP)

In a first, U.S. surgeons transplant a pig heart into a human patient

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

Registered nurse Morgan Flynn works inside a patient's room in the COVID-19 Intensive Care Unit at Dartmouth-Hitchcock Medical Center, in Lebanon, N.H., Monday, Jan. 3, 2022. Hospitalizations in U.S. children under age 5 with COVID have soared dramatically to unprecedented levels, a worrisone trend in youngsters too young to be vaccinated. (AP Photo/Steven Senne)

Hospitalizations skyrocket in kids too young for COVID shots

Hospitalizations of U.S. children under 5 with COVID-19 have soared, a worrisome trend in youngsters too young to be vaccinated.
A health worker collects a swab sample from a kid to test for COVID-19, at a coronavirus testing center, in Tel Aviv, Israel.

Contemplating a COVID party for your kids? It’s still a bad idea

The Supreme Court has agreed to weigh in on the partisan divide over vaccines and hear from 27 Republican-led states, who contend that the Biden administration had overstepped its authority.

Supreme Court casts doubt on Biden’s vaccine rule for the workplace

How do I know if I have a cold, the flu or COVID-19? (AP Illustration/Peter Hamlin)

A cold, the flu or COVID-19? How to tell the difference

FILE - A woman receives a COVID-19 vaccine injection by a pharmacist at a clinic in Lawrence, Mass., on Wednesday, Dec. 29, 2021, Research published Wednesday, Jan. 6, 2022, tracked nearly 4,000 U.S. women through six menstrual cycles and on average, the next period after a shot started about a day later than usual. But there was no change in the number of days of menstrual bleeding after COVID-19 vaccination. (AP Photo/Charles Krupa, File)

Do COVID shots affect women’s periods? Study offers some reassurance

If you take an at-home coronavirus test, who keeps track of the results? Probably no one

CDC urges COVID-19 boosters starting at age 12 to fight Omicron

Podcast: The next pandemic is already lurking

CDC posts rationale for shorter isolation and quarantine

Covid-19 Vaccines

LOS ANGELES, CA - JANUARY 05: Francis Delpech gets tested at 911 COVID Testing on Sepulveda Boulevard in Los Angeles on Wednesday, Jan. 5, 2022. This site identified the first local case of "flurona." The patient was only described as a teenager. (Myung J. Chun / Los Angeles Times)

L.A. County sees 10-month high in COVID death rate

The county is continuing to report a high number of new daily coronavirus cases. On Sunday, 43,883 new coronavirus cases were reported.

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