Primary infection is usually subclinical but in some patients cervical lymphadenopathy or ocular disease can be present.
[ncbi.nlm.nih.gov]
Clinical signs include: Fever, Skin eruption, Malaise, Myalgia and arthralgia, Cervical lymphadenopathy, Pneumonia, Myocarditis, Meningoencephalitis, Chorioretinitis Post-mortem
[lrd.spc.int]
Physical examination findings will reveal mainly lymphadenopathy, cervical and suboccipital.
[symptoma.com]