Yes. You are contagious with low grade fever. Some times you are contagious without fever also. Some times you get asymptomatic infections.
maybe
yes it can be contagious
The fever itself is not contagious -- the virus causing a fever is, though, and when you have a fever from a virus, you are contagious with that virus and should stay away from people if you can.
no
Yes, the glandular fever is very contagious. It is generally transmitted by saliva. It is known as "the kissing disease" or "mono."
A fever by itself is not contagious. Fever is a generic symptom and sign that only says the body is fighting something. It is what is causing the fever that MAY be contagious.Contagious WITH fever as well:Measles, Mumps, Rubella (MMR vaccine has been controlling these)Strep, and MeningitisFlu, Bronchitis, Upper Respiratory Infection, viral or bacterialThe PlagueEbola virusAs just ONE example of a non-contagious problem that can produce fever:inflammation in the body, from ANY cause, such as cancer, which is never contagious
You are still contagious for 24 hours after the last time you had a fever WITHOUT the use of fever reducing medications.
Scarlet fever is a contagious disease.
No, it is not. See: http://www.mayoclinic.org/rheumatic-fever/risks.html
yes
In certain cases, yes.
You could as it is highly contagious.