FIGURE 1.

Testing and diagnostic algorithm for respiratory syncytial virus (RSV) surveillance: active community surveillance and active hospital surveillance. ARI: acute respiratory infection; SARI: severe acute respiratory infection. ^#: sepsis defined as fever >37.5°C or hypothermia, shock or seriously ill without apparent cause; ^¶: using nasopharyngeal swab, within 10 days after onset of disease but ideally within 4 days after onset, by quantitative reverse transcriptase PCR (qRT-PCR) or molecular point-of-care tests (mPOCT), ideally distinguishing by type A and B; ⁺: note that (background) denominator data are needed; ^§: note that additional variables (e.g. vaccination coverage) are needed.