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NASA astronaut Mark Vande Hei inspects a spacesuit in preparation for a spacewalk at the International Space Station.

NASA astronaut’s ride home with Russians may be trickiest part of yearlong space mission

A U.S. astronaut has made it through nearly a year in space but faces what could be his trickiest assignment yet: riding a Russian capsule back to Earth.

Elderly couple and medical staff walk out from the Queen Elizabeth Hospital in Hong Kong, Wednesday, March 9, 2022. Hong Kong leader Carrie Lam said Wednesday that there is "no specific time frame" for the testing exercise, as authorities focused their efforts on reducing the number of COVID-related deaths in the city during its worst outbreak to date. (AP Photo/Kin Cheung)

COVID-19 cases, deaths continue to drop globally, WHO says

In this photo issued by Falklands Maritime Heritage Trust, a view of the stern of the wreck of Endurance, polar explorer's Ernest Shackleton's ship. Scientists say they have found the sunken wreck of polar explorer Ernest Shackleton’s ship Endurance, more than a century after it was lost to the Antarctic ice. The Falklands Maritime Heritage Trust says the vessel lies 3,000 meters (10,000 feet) below the surface of the Weddell Sea. An expedition set off from South Africa last month to search for the ship, which was crushed by ice and sank in November 1915 during Shackleton’s failed attempt to become the first person to cross Antarctica via the South Pole. (Falklands Maritime Heritage Trust/National Georgraphic via AP)

Antarctic explorer Shackleton’s ship found after a century

In this photo provided by the University of Maryland School of Medicine, David Bennett Jr., right, stands next to his father's hospital bed in Baltimore, Md., on Jan. 12, 2022, five days after doctors transplanted a pig heart into Bennett Sr., in a last-ditch effort to save his life. Bennett, the first person to receive a heart transplant from a pig died Tuesday, March 8, at the University of Maryland Medical Center, two months after the groundbreaking experiment. His death was announced Wednesday.(University of Maryland School of Medicine via AP)

Man who received world’s first pig heart transplant dies after two months

A healthcare worker administers an AstraZeneca booster shot for COVID 19 at a vaccination center in Guatemala City, Tuesday, March 1, 2022. (AP Photo/Moises Castillo)

WHO says COVID-19 boosters needed, reversing previous call

FILE - An octopus swims at the zoo in Frankfurt, Germany on Friday, Nov. 25, 2005. In research published Tuesday, March 8, 2022, in the journal Nature Communications, scientists have described the oldest known fossil ancestor of octopuses – an approximately 330 million-year-old specimen found in Montana. (AP Photo/Bernd Kammerer, File)

Scientists find octopus ancestor that predates dinosaurs and name it after President Biden

FILE - Florida Surgeon Gen. Dr. Joseph A. Ladapo, left, speaks at a news conference with Florida Gov. Ron DeSantis, right, Monday, Jan. 3, 2022, at Broward Health Medical Center in Fort Lauderdale, Fla. Ladapo says the state will formally recommend against COVID-19 vaccinations for healthy children. Ladapo made the announcement at a roundtable event organized by DeSantis that featured a group of doctors who criticized coronavirus lockdowns and mandate policies. (AP Photo/Wilfredo Lee, File)

Florida to recommend against COVID vaccines for healthy kids

FILE - This Thursday, Aug. 2, 2018, file photo shows the U.S. Food and Drug Administration building behind FDA logos at a bus stop on the agency's campus in Silver Spring, Md. FDA officials on Tuesday, Nov. 17, 2020, allowed emergency use of the first rapid coronavirus test that can be performed and developed entirely at home. (AP Photo/Jacquelyn Martin, File)

Gene-edited beef cattle receive regulatory clearance in U.S.

FILE - This Sept. 13, 1979, file photo shows motorists as downtown parking lots fill up in Los Angeles. Over 170 million of people born in the United States who were adults in 2015 were exposed to harmful levels of lead as children, according to a study published in the Proceedings of the National Academy of Sciences on Monday, March 7, 2022. The researchers looked only at lead exposure caused by leaded gasoline, the dominant form of lead exposure from the 1940s to the late 1980s, according to data from the U.S. Geological Survey. (AP Photo/Wally Fong, File)

Half of U.S. adults were exposed to harmful lead levels as kids, study finds

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 - In this March 4, 2021 file photo, a vial of the Moderna COVID-19 vaccine rests on a table at a drive-up mass vaccination site in Puyallup, Wash., south of Seattle. Moderna’s COVID-19 vaccine brought in nearly $7 billion in the final quarter of 2021, and the drugmaker says it has signed purchase agreements for another $19 billion in sales this year. (AP Photo/Ted S. Warren, File)

EU clears Moderna shot for young kids and Pfizer for boosters

The European Medicines Agency said it has authorized Moderna’s COVID-19 vaccine for children ages 6 to 11.

Why are COVID vaccination rates still low in some countries? (AP Illustration/Peter Hamlin)

Why are COVID vaccination rates still low in some countries?

In this photo provided by Pfizer, a lab technician visually inspects Paxlovid tablet samples in Freiburg, Germany in December 2021. Studies showed that the first pill to treat the virus led to a nearly 90% reduction in hospitalizations and deaths among patients most likely to get severe disease. (Pfizer via AP)

Why Pfizer needs so much time to make its COVID-19 tablets

A nurse holds a vial of the Pfizer COVID-19 vaccine for children ages 5 - 11, right, and a vial of the vaccine for adults, which have different colored labels, at a vaccination station in Jackson, Miss., Tuesday, Feb. 8, 2022. Pfizer’s COVID-19 vaccine gave children 5 and older strong protection against hospitalization and death even during the omicron surge that hit youngsters especially hard, according to new data from the Centers for Disease Control and Prevention released on Tuesday, March 1, 2022. (AP Photo/Rogelio V. Solis)

Pfizer shots protect kids from severe COVID-19, even in Omicron surge

FILE - Protesters gather for a rally against COVID-19 vaccine mandates in front of the Lincoln Memorial in Washington, Sunday, Jan. 23, 2022. On Tuesday, Jan. 25, 2022, the Biden administration said it has officially withdrawn a rule that would have required workers at big companies to get vaccinated or face regular COVID testing requirements. (AP Photo/Patrick Semansky, File)

Podcast: How workers evade vaccine mandates

CDC significantly eases pandemic mask guidelines

Canada authorizes plant-based COVID-19 vaccine

Some people should wait longer for 2nd COVID shot, CDC says

As ‘stealth Omicron’ advances, scientists are learning more

Covid-19 Vaccines

An illustration of three hands popping out of a phone with a bottle of pills, a vaccine and a head of broccoli.
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Vaccines vs. vitamins: COVID misinformation roils the worlds of wellness and nutrition

How the online wellness community pivoted from juice cleanses and special diets to embracing COVID-19 vaccine skepticism.

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