Recent Headlines
U.S. health advisors have endorsed a one-dose COVID-19 vaccine from Johnson & Johnson that’s expected to provide an easier-to-use option to fight the pandemic.
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The CDC is urging stricter precautions for gymgoers after tracing coronavirus outbreaks to fitness centers where patrons exercised without wearing masks.
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A new United Nations report finds that countries are not promising to do enough carbon-cutting to keep global warming from hitting dangerous levels.
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While coronavirus variants remain a threat, health experts say they are hopeful that masks and rising vaccination rates can blunt potential new waves.
Scientists have identified a mutated version of the coronavirus spreading in New York, one of several variants being monitored in the U.S.
Pfizer says it has begun studying the effects of a third dose of its COVID-19 vaccine, part of a strategy to combat new versions of the coronavirus.
Many in the marginalized Latino LGBTQ community, a number of whom are frontline workers, have been deeply affected by the pandemic and are unable to find help.
February is usually the peak of flu season but not this year, in part because of measures, such as mask-wearing, to fight the coronavirus.
A new study from Israel strongly suggests that the Pfizer-BioNTech vaccine works as well in the real world as it does in clinical trials.
California has surpassed 50,000 COVID-19 deaths, a tally that came as Los Angeles County reported a backlog of more than 800
Scientists fear “nightmare scenario” where a patient is infected by two different coronavirus strains that swap mutations and become more dangerous.
After 90 days, the immunity developed in response to a coronavirus infection is about as protective as a COVID-19 vaccine, according to a new study.
Health news, ideas, advice and commentary.
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Scientists fear “nightmare scenario” where a patient is infected by two different coronavirus strains that swap mutations and become more dangerous.
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California’s coronavirus strain is more transmissible than its predecessors, is more resistant to vaccines and may cause more severe cases of COVID-19.
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The second shot of the COVID vaccine does not need to happen precisely 21 or 28 days after the first to be effective.
An FDA analysis finds that Johnson & Johnson’s single-dose vaccine provides strong protection against severe cases of COVID-19.
COVID-19 vaccine makers tell Congress to expect a big jump in the delivery of doses over the coming month.
Sales of pet supplements soared by 21% last year as people tried to protect their furry friends from COVID-19. Experts say there’s no need.
COVID-19 vaccines adapted for new coronavirus variants can receive authorization from the Food and Drug Administration without repeating full clinical trials.
Scotland’s COVID-19 vaccination program has led to a sharp drop in hospitalizations, offering some real-world evidence of the shots’ impact.
In L.A., so many people now have immunity to the coronavirus from past infections and vaccination that transmission is slowing and inching toward herd immunity.
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Native Americans are bucking a trend of minority populations who harbor doubts about the COVID-19 vaccines.
U.S. life expectancy fell in the first half of 2020 amid the pandemic: almost three years for Black people, two for Latinos and one for white people.
Reversals of fortune, political quarrels and vexing public-health paradoxes are complicating efforts to contain a deadly third wave of contagion across Europe.
Covid-19 Vaccines
The concerns over patient privacy offer a glimpse into questions being raised about the scope of Blue Shield’s role as an independent overseer of California’s network of COVID-19 vaccine providers.
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Israel boasts the world’s fastest COVID-19 vaccine rollout, with half the population inoculated. Reaching the other half presents challenges.
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San Francisco and San Mateo counties have halted vaccine access to the healthcare provider after finding it allegedly gave shots to ineligible people.
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Vaccine eligibility requires proof. But as access expands officials have yet to establish what documents will be needed for verification, or a straightforward way to sort phony documents from real ones.
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With COVID-19 vaccine supplies still tight, officials have been forced to make agonizing choices about who should get priority.
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Guidelines released Thursday show California’s new program earmarking 10% of COVID-19 vaccines will be reserved for K-12 school employees and those who work in child care positions.
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Systems engineer Ian Clark used a binary code to spell out a message in the orange-and-white strips of the rover’s parachute.
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NASA has released the first high-quality video of a spacecraft landing on Mars. The footage is 3 minutes long.
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NASA’s Mars 2020 spacecraft sent back a striking image of the Perseverance rover suspended several feet above the red planet’s surface, just as it’s about to land.
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World leaders welcomed the United States’ official return to the Paris climate accord, but politically trickier steps lie just ahead for President Biden.
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Dr. Bernard Lown, the cardiologist who invented the first reliable heart defibrillator and later co-founded an anti-nuclear war group that was awarded a Nobel Peace Prize, died Tuesday at 99.
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NASA’s newest rover touched down safely on the surface of Mars in Jezero Crater
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Are vaccines safe? How do I get my second dose? Do I have to wear a mask? We’ve answered hundreds of newsletter readers’ questions. Here’s an archive.
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Perseverance, NASA’s newest rover, completes its 7-minute descent and lands safely on Mars to begin a mission that will last at least one Martian year.
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Perseverance, NASA’s newest Mars rover, is set to land in Jezero Crater at 12:55 p.m. Pacific. Watch it live, right here.
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If NASA’s Perseverance rover lands safely on Mars, it will become the first space mission in nearly 45 years to directly search for signs of microbial life.
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The makers of COVID-19 vaccines are figuring out how to tweak their recipes in case the shots need an update against worrisome coronavirus mutations.
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