showed a trendp-value = 0.020
The positivity rate also showed a trend according to the age group dropping from 90.5% in the under 3-month old to 78.3% in the 4–12 years old (p-value = 0.020).
The positivity rate also showed a trend according to the age group dropping from 90.5% in the under 3-month old to 78.3% in the 4–12 years old (p-value = 0.020).