His blood culture results were positive for Salmonella Paratyphi A. He was treated with 14 days of ceftriaxone, after which he remained afebrile for 18 days before his body temperature again rose to 39°C with no apparent symptoms.
Tests in Thailand have shown that the virus has infected dogs without causing apparent symptoms.
However, the subclinical form is difficult to detect because there are no apparent symptoms.
Patients being treated for chronic diseases, especially diseases without apparent symptoms, like hypertension and diabetes, are particularly prone to noncompliance.
One of every 300 Americans is estimated to have hemochromatosis, although many do not have any apparent symptoms.
Clinically apparent disease: Small pox is considered an unusual virus in that every infection causes apparent symptoms.
The scientists videotaped professional actors portraying patients of varying gender, age, race and socioeconomic status who all had medically apparent symptoms of heart disease.
I was initially skeptical of man-made climate change, but by the late 1990s I was witnessing the apparent symptoms of a warming climate.
In contrast, non-genetic disease usually has apparent symptoms that clinicians try to block, but not always an easily identifiable starting point.
The recent detection of H7N9 in a boy with no apparent symptoms suggests people can carry the virus unwittingly.
Read Karin's full story Maggie Gordon had no apparent symptoms when she pulled into a Lancaster car park for a stop-off on a trip from Scotland to Cornwall.
