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Table 1 PCR and ELISA results for chikungunya and dengue infection in patients with acute febrile disease, Yucatan, Mexico

From: Competitive suppression of dengue virus replication occurs in chikungunya and dengue co-infected Mexican infants

Patient number Age Days of onset H/A CHIKV PCR DENV PCR DENV
IgM
acute
DENV
IgG
acute
DENV
IgM
conv
DENV
IgG
conv
CHIKV
IgM
acute
CHIKV
IgG acute
CHIKV
IgM
conv
CHIKV
IgG conv
Final Diagnosis
125 23 y 7 H - - - + - + - - - - Negative
129 27 y 5 A + - + + na na - - na na Chikungunya
130 5 y 1 H + - - - - + - - - + Co-infection
132 2 m 1 H - - - + - - - - - - Negative
137 8 y 2 A + + + + - + - - + + Co-infection
139 27 y 4 A + - - + - + - - + + Chikungunya
141 5 m 3 A - - - + - + - - - - Negative
146 33 y 2 A - - - + - + - - - - Negative
147 4 m 2 H + + - - - - - - - + Co-infection
149 3 y 2 A - - - - na na - - na na Negative
150 5 y 2 A - + - - na na - - na na Dengue
151 20 y 5 A - + + + - + + - - + Co-infection
152 7 y 5 H - + + - - + + - + + Co-infection
154 15 y 3 A - - + - - + - - - - Dengue
155 21 m 2 A + + + - - - - - - + Co-infection
157 12 y 3 A + - - - - - - - - + Chikungunya
158 82 y 1 A - - - + - + - - - - Negative
160 22 y 2 H - - - + - + - - - - Negative
162 30 y 2 A - - - + - + - - + + Chikungunya
166 14 y 4 A + - - + - + - - - + Chikungunya
170 2 m 1 H + + - + + - - - - + Co-infection
174 19 y 3 A - - - + - + - - - - Negative
178 2 m 2 H + + - + - - - - - + Co-infection
180 3 m 2 H + + - + - - - - - + Co-infection
  1. Abbreviations DENV dengue virus, CHIKV chikungunya virus, y years, m months, H hospitalized, A ambulatory, na not available