Table. Distribution of clinical signs and symptoms among 3 patients retrospectively identified as having Zika virus infection, Rio de Janeiro, Brazil, 2013*.

No. patients, sign or symptom	Patient A	Patient B	Patient C
3 patients
Arthralgia†	Yes	Yes	Yes
Fever†, no. days	Yes, 1	Yes, 2	Yes, 1
Headache	Yes	Yes	Yes
Myalgia	Yes	Yes	Yes
Nausea	Yes	Yes	Yes
Prostration	Yes	Yes	Yes
Retroorbital pain	Yes	Yes	Yes
2 patients
Adenomegaly	Yes	Yes	No
Chills	Yes	No	Yes
Dizziness	Yes	Yes	No
Low back pain	No	Yes	Yes
Taste alteration	Yes	Yes	No
Vomiting	Yes	No	Yes
1 patient
Anorexia	No	No	Yes
Cold extremities	Yes	No	No
Cough	Yes	No	No
Dyspnea	No	Yes	No
Eye congestion	No	Yes	No
Eye redness perception†	No	Yes	No
Hemoconcentration	No	No	Yes
Hoarseness	No	Yes	No
Leukopenia	No	Yes	No
Oropharyngeal pain	Yes	No	No
Otalgia	No	Yes	No
Pruritus	No	Yes	No
Thready pulse	Yes	No	No

*No patients had exanthema.
†Signs and symptoms considered in Brazilian Ministry of Health’s definition for suspected Zika virus infection (http://portalsaude.saude.gov.br/index.php/descricao-da-doenca-zika).