It is safe
If the chicken was originally cooked completely (no pink or bloody tissue remained) and it has been stored properly (refrigerated since cooking, not left sitting out on the counter) it is safe.
Cooked chicken fried steak should be safe to eat, if it has been refrigerated, for 3 to 4 days.
Yes, quiche should be refrigerated after it has been cooked to prevent the growth of harmful bacteria.
Yes, quiche should be refrigerated after it has been cooked to prevent the growth of harmful bacteria.
You could die. If not die you may require hospitalization. Food poisoning is serious.
It is generally not safe to eat cooked chicken that has been left out at room temperature for a few hours, as harmful bacteria can multiply quickly in that time. Even if the chicken was refrigerated afterward, the initial period at room temperature may have allowed bacteria to grow, which could pose a risk of foodborne illness. It's best to err on the side of caution and avoid consuming it.
It is previously cooked chicken that has been cooled.
No, it is not safe to refreeze cooked chicken after it has been thawed. Once chicken is thawed, it should be cooked and consumed or discarded, as refreezing can lead to bacterial growth and foodborne illness.
A chicken that has been cooked & jerked.
No, IF it has been cooked and refrigerated properly.
As long as the chicken has been cooked, cold chicken salad is perfectly safe to eat. Make sure it's stored in a refrigerator, and don't eat it after a week from the time the chicken was cooked.
No, it is not safe to refreeze cooked chicken that has already been frozen once. Once cooked chicken has been thawed, it should be consumed within a few days and not refrozen to prevent the growth of harmful bacteria.