Warning: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in ..../includes/class_bootstrap.php(430) : eval()'d code on line 456 Hi, I am new - Page 2
Pertussis is a common illness among children under 4 years old
or
Pertussis is often contracted by children under 4 years old
Okie, thanks for your correction. Most of the time I seem to get stuck with the vocabularies, esp when speaking and writing. Hope that I can learn from you more.