In people who have aplastic anemia, the body doesn't make enough red blood cells, white blood cells, and platelets. This is because the bone marrow's stem cells are damaged. (Aplastic anemia also is called bone marrow failure.) Many diseases, conditions, and factors can damage the stem cells.
The best way to safely thaw ground beef is in the refrigerator. Keeping meat cold while it is defrosting is essential to prevent growth of bacteria. Cook or refreeze it within 1 or 2 days. To defrost ground beef more rapidly, you can defrost in the microwave oven or in cold water. ...
If you plan to cook the ground beef immediately, you can thaw it in your microwave or in watertight packaging under cold running water. However, if you want the option of refreezing your beef the only safe method is to thaw it in your refrigerator. A refrigerator's whole purpose is to keep your ingredients at a food safe temperature of 40 degrees Fahrenheit or below, which slows bacterial growth. If you thaw your beef overnight in the fridge it never reaches a dangerous temperature, and can be refrozen at need.