and am also hoping its not ARS). Some people who are infected have no symptom at all. ONly thing conclusive is a test. This forum pretty much recommends a 6 week antibody as a very strong indicator and a 3 month test as conclusive.
It is not always present, but is usually it is. Whenever someone posts on the other forum that they didn't have a fever, Dr. HHH says that it is a strong indicator that they are not going through ARS.