United States: On Wednesday, President Bush approved a plan to give Moscow $1 billion in aid credits. Private aid groups, including AmeriCares and CARE, have sent at least 100,000 pounds of medical supplies and food packages. Switzerland: Army volunteers plan to drive a convoy of 320 tons of food from army stocks to Moscow and Leningrad after Jan. 1. The Swiss government promised a 40-ton emergency airlift and said 1,000 tons of Swiss cheese were available. Sweden: Approved export credits yesterday for 500,000 tons of wheat, and expects to grant credits for an additional 1 million tons soon. A truck carrying the first Swedish aid left for Leningrad Tuesday carrying meat, powdered milk and medicines gathered by a private aid group. Norway: Appropriated $1.7 million for food aid to be distributed mainly in the Arctic border region. Individual Norwegians and church groups have sent food and clothes. Japan: Will provide technological assistance in transportation and distribution. Municipal government of Kawasaki, south of Tokyo, sent first Japanese aid Tuesday: hypodermic needles, syringes and other medical supplies. Italy: The group Together for Peace has shipped nearly 100 tons of cheese, milk, vegetables and medical supplies. Israel: The Jewish Agency, a quasi-governmental group which resettles Soviet emigres, sent 25 tons of fruit, vegetables and powdered milk. India: Plans to loan 1 million tons of wheat and to give 20,000 tons of rice as well as medicines, medical supplies and processed food. Germany: Approved shipment of the Berlin stockpile (meat, milk and medicine stored for 40 years to thwart another Soviet blockade) plus 35,000 tons of army reserve supplies. European Community: Expects to adopt a two-year assistance package including $1 billion in emergency food grants and credit guarantees, plus $1.4 billion in technical and administrative aid. Britain: Established a "know-how fund" of nearly $10 million to give technical assistance in agriculture and food distribution over two years. British schoolchildren are collecting canned food. Austria: Promised 100,000 food parcels and medical supplies. Australia: Signed an agreement in Moscow on Nov. 25 to give the Soviet Union up to $400 million worth of credits to buy Australian wool, wheat and other commodities. Others: The Red Cross, CARE, Roman Catholic and Lutheran aid agencies have sent truck convoys and air shipments with tons of food. Spain, France and Canada have offered financial aid to buy food.