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Age and sex distribution of HPIV2&4‐positive patients between 1st September 2013 and 11th April 2017. Age group categories are defined by new‐born to 1 year old (infants), 2 to 9 (children), 10 to 19 (adolescents), 20 to 40 (young adults), 41 to 64 (middle aged) and ≥ 65 (elderly)
