A mass-vaccination of healthcare workers takes place at Dodger Stadium, in Los Angeles. AP Photo
Educator John Cormier receives a shot from LPN Lizmary Reyes in East Hartford, Connecticut. AP Photo
A pharmacist draws saline while preparing a dose of Pfizer's Covid-19 vaccine in Sacramento, California. AP Photo
Workers seal their feet into hazmat suits as they prepare to clean the Senate Special Committee on Aging offices after a person reportedly tested positive for coronavirus. Reuters
Chaplain Kristin Michealsen leaves a Covid-19 unit after talking to a family member of a deceased patient at Providence Holy Cross Medical Center in the Mission Hills section of Los Angeles. AP Photo
People receive Covid-19 antibody tests during a free testing session in honour of Dr. Martin Luther King, Jr. at Southside Church of Christ in Los Angeles. AP Photo
Daisy Ozaeta, 25, of Los Angeles, waits for Dr. Nana Afoh-Manina, co-founder of myCovidMD, to collect a blood sample from her for a Covid-19 antibody test. AP Photo
A Covid-19 testing site at Long Beach Airport, available exclusively for Hawaiian Airlines' guests travelling to the Hawaiian Island, in Long Beach, California. AP Photo
A nurse administers a coronavirus test at a drive-through centre targeting underserved communities on Martin Luther King Day in Philadelphia, Pennsylvania. Reuters
A woman talks to a worker behind a locked gate at the 24-hour coronavirus mass vaccination site at the Brooklyn Army Terminal in Brooklyn, New York. Reuters
Nursing home residents line up for the coronavirus vaccine at Harlem Center for Nursing and Rehabilitation, a nursing home facility in New York. AP Photo
Firefighter/paramedic John Kostyo Jr., administers a Covid-19 vaccination at the Tequesta Fire Department in Tequesta, Florida. AP Photo
A medical worker talks to a person in a car as people line up at a coronavirus vaccination site at Strawberry Festival Fairgrounds in Plant City, Florida, US. Reuters
People wait in line to receive a Covid-19 vaccine in Tucson, Arizona. Bloomberg
A mass-vaccination of healthcare workers takes place at Dodger Stadium, in Los Angeles. AP Photo
Educator John Cormier receives a shot from LPN Lizmary Reyes in East Hartford, Connecticut. AP Photo
A pharmacist draws saline while preparing a dose of Pfizer's Covid-19 vaccine in Sacramento, California. AP Photo
Workers seal their feet into hazmat suits as they prepare to clean the Senate Special Committee on Aging offices after a person reportedly tested positive for coronavirus. Reuters
Chaplain Kristin Michealsen leaves a Covid-19 unit after talking to a family member of a deceased patient at Providence Holy Cross Medical Center in the Mission Hills section of Los Angeles. AP Photo
People receive Covid-19 antibody tests during a free testing session in honour of Dr. Martin Luther King, Jr. at Southside Church of Christ in Los Angeles. AP Photo
Daisy Ozaeta, 25, of Los Angeles, waits for Dr. Nana Afoh-Manina, co-founder of myCovidMD, to collect a blood sample from her for a Covid-19 antibody test. AP Photo
A Covid-19 testing site at Long Beach Airport, available exclusively for Hawaiian Airlines' guests travelling to the Hawaiian Island, in Long Beach, California. AP Photo
A nurse administers a coronavirus test at a drive-through centre targeting underserved communities on Martin Luther King Day in Philadelphia, Pennsylvania. Reuters
A woman talks to a worker behind a locked gate at the 24-hour coronavirus mass vaccination site at the Brooklyn Army Terminal in Brooklyn, New York. Reuters
Nursing home residents line up for the coronavirus vaccine at Harlem Center for Nursing and Rehabilitation, a nursing home facility in New York. AP Photo
Firefighter/paramedic John Kostyo Jr., administers a Covid-19 vaccination at the Tequesta Fire Department in Tequesta, Florida. AP Photo
A medical worker talks to a person in a car as people line up at a coronavirus vaccination site at Strawberry Festival Fairgrounds in Plant City, Florida, US. Reuters
People wait in line to receive a Covid-19 vaccine in Tucson, Arizona. Bloomberg
A mass-vaccination of healthcare workers takes place at Dodger Stadium, in Los Angeles. AP Photo