FILE - Pharmacist Sima Manifar prepares a children's dose of the Pfizer COVID-19 vaccine during a vaccination clinic at City of Lawrence's "The Center," which serves seniors, families and the community, Wednesday, Dec. 29, 2021, in Lawrence, Mass. Pfizer has begun a study comparing its original COVID-19 vaccine with doses specially tweaked to match the omicron variant. Pfizer and its partner BioNTech announced the study on Tuesday, Jan. 25, 2022.  (AP Photo/Charles Krupa)

Pfizer begins testing omicron-matched COVID shots in adults

Pfizer begins testing omicron-matched COVID shots in adults

FILE - Pharmacist Sima Manifar prepares a children's dose of the Pfizer COVID-19 vaccine during a vaccination clinic at City of Lawrence's "The Center," which serves seniors, families and the community, Wednesday, Dec. 29, 2021, in Lawrence, Mass. Pfizer has begun a study comparing its original COVID-19 vaccine with doses specially tweaked to match the omicron variant. Pfizer and its partner BioNTech announced the study on Tuesday, Jan. 25, 2022.  (AP Photo/Charles Krupa)
FILE - This April 3, 2019, file photo shows U.S. currency in New York. U.S. scientists have shown that payments to reduce poverty can enhance infants’ brain development in the first rigorous study of its kind. (AP Photo/Mark Lennihan, File)

Extra cash for low-income mothers may influence baby brains

Extra cash for low-income mothers may influence baby brains

FILE - This April 3, 2019, file photo shows U.S. currency in New York. U.S. scientists have shown that payments to reduce poverty can enhance infants’ brain development in the first rigorous study of its kind. (AP Photo/Mark Lennihan, File)

Mental health visits by doctors up 27 per cent in first year of COVID-19, study says

Mental health visits by doctors up 27 per cent in first year of COVID-19, study says

FILE - Police cars are parked in front of the Congregation Beth Israel synagogue, Sunday, Jan. 16, 2022, in Colleyville, Texas. A man held hostages for more than 10 hours Saturday inside the temple. The hostages were able to escape and the hostage taker was killed. (AP Photo/Brandon Wade, File)

Jewish leaders renew antisemitism fight after hostage case

Jewish leaders renew antisemitism fight after hostage case

FILE - Police cars are parked in front of the Congregation Beth Israel synagogue, Sunday, Jan. 16, 2022, in Colleyville, Texas. A man held hostages for more than 10 hours Saturday inside the temple. The hostages were able to escape and the hostage taker was killed. (AP Photo/Brandon Wade, File)

Canadian trial: remdesivir reduces need for ventilation by half for COVID patients

Canadian trial: remdesivir reduces need for ventilation by half for COVID patients

In this photo provided by the University of Alabama at Birmingham, surgeons check whether kidneys from a genetically modified pig are working in the body of a deceased recipient in September 2021. The experimental procedure was a step-by-step rehearsal for operations they hope to try in living patients possibly later in 2022, part of a quest to use animal organs to save human lives. (UAB via AP)

US researchers test pig-to-human transplant in donated body

US researchers test pig-to-human transplant in donated body

In this photo provided by the University of Alabama at Birmingham, surgeons check whether kidneys from a genetically modified pig are working in the body of a deceased recipient in September 2021. The experimental procedure was a step-by-step rehearsal for operations they hope to try in living patients possibly later in 2022, part of a quest to use animal organs to save human lives. (UAB via AP)

Early treatment could tame peanut allergies in small kids

Early treatment could tame peanut allergies in small kids

Belgium-British teenage pilot Zara Rutherford smiles after she landed with her Shark ultralight plane at the Egelsbach airport in Frankfurt, Germany, Wednesday, Jan.19, 2022. At the age of 19, she is set to land her single-seater Shark sport aircraft in Kortrijk, Belgium, on Monday, more than 150 days after setting out to become the youngest woman to circumnavigate the world solo. American aviator Shaesta Waiz was 30 when she set the previous benchmark.(AP Photo/Michael Probst)

19-year-old woman sets record for solo global flight

19-year-old woman sets record for solo global flight

Belgium-British teenage pilot Zara Rutherford smiles after she landed with her Shark ultralight plane at the Egelsbach airport in Frankfurt, Germany, Wednesday, Jan.19, 2022. At the age of 19, she is set to land her single-seater Shark sport aircraft in Kortrijk, Belgium, on Monday, more than 150 days after setting out to become the youngest woman to circumnavigate the world solo. American aviator Shaesta Waiz was 30 when she set the previous benchmark.(AP Photo/Michael Probst)
Patties of Beyond Burger, plant-based burgers, are prepared in Westchester County, N.Y. on Jan. 10, 2022. Plant-based meat products aim to imitate meat in taste, texture, appearance and smell, and the likenesses are now pretty impressive. They can also be used in pasta sauces, stir fries and casseroles. (AP Photo/Julia Rubin)

Learning to cook with plant-based ‘meats’

Learning to cook with plant-based ‘meats’

Patties of Beyond Burger, plant-based burgers, are prepared in Westchester County, N.Y. on Jan. 10, 2022. Plant-based meat products aim to imitate meat in taste, texture, appearance and smell, and the likenesses are now pretty impressive. They can also be used in pasta sauces, stir fries and casseroles. (AP Photo/Julia Rubin)
This January, 2022 image provided by Jeff Lowenfels shows clumps of African fountain grass, Cenchrus setaceus, replacing standard lawn grass in Portland, Oregon. Tall, clumping grasses are ideal for reducing the size of lawns, a worthy goal this year. (Jeff Lowenfels via AP)

Resolutions for a generous and green new year in the garden

Resolutions for a generous and green new year in the garden

This January, 2022 image provided by Jeff Lowenfels shows clumps of African fountain grass, Cenchrus setaceus, replacing standard lawn grass in Portland, Oregon. Tall, clumping grasses are ideal for reducing the size of lawns, a worthy goal this year. (Jeff Lowenfels via AP)
Dr. Lesley Seymour wears an N95 respirator during a drive-through COVID-19 vaccine clinic at St. Lawrence College in Kingston, Ont., Saturday, Dec. 18, 2021. THE CANADIAN PRESS/Lars Hagberg

Re-wearing disposable masks? Experts weigh in on extending life of pricey respirators

Re-wearing disposable masks? Experts weigh in on extending life of pricey respirators

Dr. Lesley Seymour wears an N95 respirator during a drive-through COVID-19 vaccine clinic at St. Lawrence College in Kingston, Ont., Saturday, Dec. 18, 2021. THE CANADIAN PRESS/Lars Hagberg
This image provided by U.S. Department of Health and Human Services shows an illustration of the outer coating of the Epstein-Barr virus, one of the world’s most common viruses. New research is showing stronger evidence that Epstein-Barr infection could set some people on the path to later developing multiple sclerosis.  (U.S. Department of Health and Human Services via AP)

Study: Stronger evidence linking virus to multiple sclerosis

Study: Stronger evidence linking virus to multiple sclerosis

This image provided by U.S. Department of Health and Human Services shows an illustration of the outer coating of the Epstein-Barr virus, one of the world’s most common viruses. New research is showing stronger evidence that Epstein-Barr infection could set some people on the path to later developing multiple sclerosis.  (U.S. Department of Health and Human Services via AP)
Registered nurse Scott McGieson wears an N95 mask as he walks out of a patient's room in the acute care unit of Harborview Medical Center, Friday, Jan. 14, 2022, in Seattle. Washington Gov. Jay Inslee is deploying 100 members of the state National Guard to hospitals across the state amid staff shortages due to an omicron-fueled spike in COVID-19 hospitalizations. Inslee announced Thursday that teams will be deployed to assist four overcrowded emergency departments at hospitals in Everett, Yakima, Wenatchee and Spokane, and that testing teams will be based at hospitals in Olympia, Richland, Seattle and Tacoma. (AP Photo/Elaine Thompson)

CDC encourages more Americans to consider N95 masks

CDC encourages more Americans to consider N95 masks

Registered nurse Scott McGieson wears an N95 mask as he walks out of a patient's room in the acute care unit of Harborview Medical Center, Friday, Jan. 14, 2022, in Seattle. Washington Gov. Jay Inslee is deploying 100 members of the state National Guard to hospitals across the state amid staff shortages due to an omicron-fueled spike in COVID-19 hospitalizations. Inslee announced Thursday that teams will be deployed to assist four overcrowded emergency departments at hospitals in Everett, Yakima, Wenatchee and Spokane, and that testing teams will be based at hospitals in Olympia, Richland, Seattle and Tacoma. (AP Photo/Elaine Thompson)
This two-photo combo shows from top, part of the harbor of the Tuscan tiny island of Isola del Giglio, Italy, on Wednesday, Jan. 12, 2022, and the same spot on Friday, Jan. 10, 2014, with the shipwrecked hulk of the cruise ship Costa Concordia. Italy on Thursday, Jan. 13, 2022, is marking the 10th anniversary of the Concordia disaster with a daylong commemoration, honoring the 32 people who died but also the extraordinary response by the residents of Giglio who took in the 4,200 passengers and crew from the ship on that rainy Friday night and then lived with the Concordia carcass for another two years before it was hauled away for scrap. (AP Photo/ Andrew Medichini and Gregorio Borgia)

Costa Concordia is gone, but horror lingers 10 years later

Costa Concordia is gone, but horror lingers 10 years later

This two-photo combo shows from top, part of the harbor of the Tuscan tiny island of Isola del Giglio, Italy, on Wednesday, Jan. 12, 2022, and the same spot on Friday, Jan. 10, 2014, with the shipwrecked hulk of the cruise ship Costa Concordia. Italy on Thursday, Jan. 13, 2022, is marking the 10th anniversary of the Concordia disaster with a daylong commemoration, honoring the 32 people who died but also the extraordinary response by the residents of Giglio who took in the 4,200 passengers and crew from the ship on that rainy Friday night and then lived with the Concordia carcass for another two years before it was hauled away for scrap. (AP Photo/ Andrew Medichini and Gregorio Borgia)

Judge tosses lawsuit of man who was nude baby on ‘Nevermind’

Judge tosses lawsuit of man who was nude baby on ‘Nevermind’

‘You can chat with people’: Winnipeg company brings ‘ice cycles’ to river trails

‘You can chat with people’: Winnipeg company brings ‘ice cycles’ to river trails

Boosting boosters: experts say fourth doses not yet needed for general population

Boosting boosters: experts say fourth doses not yet needed for general population

A man displays his COVID-19 rapid test kit after receiving it at a pharmacy in Montreal, Monday, December 20, 2021, as the COVID-19 pandemic continues in Canada and around the world. THE CANADIAN PRESS/Graham Hughes

Nose or throat? Experts say to use rapid test swabs as directed

Nose or throat? Experts say to use rapid test swabs as directed

A man displays his COVID-19 rapid test kit after receiving it at a pharmacy in Montreal, Monday, December 20, 2021, as the COVID-19 pandemic continues in Canada and around the world. THE CANADIAN PRESS/Graham Hughes

When am I contagious if infected with omicron?

When am I contagious if infected with omicron?

President Joe Biden talks to reporters before boarding Marine One on the South Lawn of the White House, Tuesday, Jan. 11, 2022, in Washington. (AP Photo/Evan Vucci)

Biden redoubling focus on testing amid shortages, confusion

Biden redoubling focus on testing amid shortages, confusion

President Joe Biden talks to reporters before boarding Marine One on the South Lawn of the White House, Tuesday, Jan. 11, 2022, in Washington. (AP Photo/Evan Vucci)