Volume 27, Number 5—May 2021
Research Letter
Temporal Variations in Respiratory Syncytial Virus Epidemics, by Virus Subtype, 4 Countries
Figure
![Temporal variation in respiratory syncytial virus, defined by using 10% positivity threshold, by dominant virus subtype, country, and season. A) The Netherlands; B) Portugal; C) New Zealand; D) South Africa. Black dots indicate the peak (highest percentage of cases testing positive) of the season.](/eid/images/20-4615-F1.jpg)
Figure. Temporal variation in respiratory syncytial virus, defined by using 10% positivity threshold, by dominant virus subtype, country, and season. A) The Netherlands; B) Portugal; C) New Zealand; D) South Africa. Black dots indicate the peak (highest percentage of cases testing positive) of the season.
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