Food Storage

Yes, dry ice keeps food frozen by holding temperatures near −78.5°C when packed and vented correctly.

Yes, defrosted food can be refrozen if it stayed at 40°F (4°C) or colder; cook first if thawed in water or microwave.

Yes, you can refreeze defrosted food when it was thawed in the refrigerator and kept cold the whole time.

No, covid is not known to spread through frozen food; the main risk is person-to-person, with rare packaging contamination events.

No—food isn’t a known route for covid; the virus can persist in the cold, but infection comes from people, not chilled food.

No, covid on food in the fridge isn’t a known route; traces may persist in cold, but safe handling and cooking keep the risk minimal.

Yes, SARS-CoV-2 can persist on chilled surfaces, but foodborne covid hasn’t been shown; safe handling and cooking keep risk low.

Yes, cooked frozen food can be refrozen if it thawed in the fridge, cooled fast, and stayed under 4°C/40°F; texture may drop a bit.

Yes, cooked food can be refrozen if thawed in the fridge and kept at 40°F or colder; texture may drop.

Yes, cooked food can be frozen; cool fast, pack airtight, and keep it at 0°F for best safety and quality.