(Bloomberg) -- Response to the spread of the novel coronavirus has been unprecedented. Governments have passed stimulus packages worth trillions of dollars, while companies, public charities, family foundations and individuals have pledged billions more.

Here are some gifts announced since February and aimed at helping fight the Covid-19 pandemic:

$100 million: Jeff Bezos to Feeding America, which will distribute the funds to their national network of food banks and food pantries, according to an Instagram⁣ post.

$100 million: Michael and Susan Dell, through the Michael & Susan Dell Foundation, including $20 million to the COVID-19 Therapeutics Accelerator, and relief efforts focused on supporting healthcare, education, nonprofits and small businesses.

$100 million: Bill & Melinda Gates Foundation to develop a vaccine and pay for detection, isolation and treatment efforts, as well as help public health authorities in Africa and South Asia.

Bloomberg Philanthropies pledged $40 million to a global response fund and was part of a group that pledged $75 million to a New York City social impact fund. Michael Bloomberg is founder and majority owner of Bloomberg LP, the parent company of Bloomberg News.

$42 million: Carlos Slim Foundation for efforts in Mexico including sanitation in public hospitals, medical attention for the elderly and access to an online learning platform for primary school children developed by the foundation.

$31 million: Chan Zuckerberg Initiative, including $25 million to the Covid-19 Therapeutics Accelerator, $5 million to Bay Area response and $500,000 to the Council of Chief State School Officers to address policy questions arising from long-term school closures.

$25 million: Steve and Connie Ballmer, through the Ballmer Group, including $10 million to the University of Washington Medicine, as well as relief efforts in Los Angeles, Seattle and Southwest Michigan.

$12 million: Vladimir Potanin Foundation, including assistance to senior citizens and the homeless.

$15 million: Ken Griffin and partners of Citadel and Citadel Securities, including donations to the Coalition for Epidemic Preparedness Innovations for vaccine development, and Chicago Public Schools Funds and Rockefeller University for immune therapies.

$10 million: Leon and Debra Black, to the Mayor’s Fund to Advance New York City, for food and supplies for New York City healthcare workers, with the Red Cross aiding distribution. The Black family pledges to match up to $10 million in gifts to the “NYC Healthcare Heroes” program, with donations to be received and managed by the Robin Hood Foundation.

$10 million: Phil Knight and former Nike Inc. executives, to Oregon nonprofits, including $7 million to Oregon Health & Science University for care coordination and expanded testing.

$5.3 million: Arthur Blank’s foundation to assist efforts in Atlanta and Montana, including $100,000 to the Atlanta Police Foundation.

$5 million: Brian and Aileen Roberts to purchase 50,000 laptops for Philadelphia school children.

$4 million: Ray and Barbara Dalio and Dalio Philanthropies, including $3 million to provide eight weeks of childcare for Connecticut hospital workers, and $500,000 to buy and distribute 14 trailers of food at 64 sites for those in need.

$2.65 million: David A. Tepper Charitable Foundation, including to a Covid-19 response fund started by the Foundation for the Carolinas and United Way of Central Carolinas; and toward the purchase of 6,000 mobile hotspots to assist students in the Charlotte-Mecklenburg schools.

$1 million: Sheryl Sandberg and Tom Bernthal to food bank Second Harvest of Silicon Valley.

$250,000: Dan and Jennifer Gilbert’s family foundation to the United Community Housing Coalition in Detroit for mortgage, rental and utility assistance. Quicken Loans and its Community Fund have also made gifts to aid Detroit.

©2020 Bloomberg L.P.