China News Service, February 26. According to the "Central News Agency" report, the U.S. Food and Drug Administration (FDA) stated on February 25 that the new coronavirus vaccine jointly developed by Pfizer Pharmaceuticals and the German Biotech Company may be used in general Store the medicine at the temperature of the freezer for up to two weeks.

Data map: On February 24, local time, the American flag in Times Square, New York, USA was lowered at half mast.

Photo by China News Agency reporter Liao Pan

  Originally, Pfizer vaccines needed to be stored in an ultra-low temperature environment of minus 60 to 80 degrees Celsius. However, after a study submitted by Pfizer showed that the vaccine remained stable at higher temperatures, the US Food and Drug Administration relaxed storage conditions .

According to reports, medicine freezers usually operate at minus 20 degrees Celsius.

  According to reports, Marks, head of the Center for Biological Products Evaluation and Research of the US Food and Drug Administration, said: “Alternative temperature for transportation and storage (vaccine) is also set, which will help reduce the burden of purchasing ultra-low temperature storage equipment for vaccination stations and help To ship the vaccine to more locations."

  The bureau stated that it will update the relevant instructions accordingly for reference to health care providers.

  According to reports, once the Pfizer vaccine is thawed, it can be stored for 5 days at a temperature of 2 to 8 degrees Celsius in a general refrigerator; at room temperature, it can be stored for no more than 2 hours.