According to the Hanoi Centre for Disease Control, children at nursery accounted for 36.5 percent of cases and primary school children 38 percent respectively.
The disease has hit 18 among 30 local districts with Chuong My hardest hit with 230 patients, followed by Me Linh, Ba Vi, Nam Tu Liem and My Duc. But the city has seen no deaths related to chickenpox so far this year.
More schools in Chuong My District have recorded cases of chickenpox, including Phu Nghia Nursery School and Van Vo Primary School.
Chuong My District’s authorities have asked local communes to spray disinfectant and instructed teachers and parents on disease prevention and patient care.
The Hanoi Preventive Medicine Department said that chickenpox is an acute and highly contagious disease caused by the varicella-zoster virus transmitted from person to person by directly touching the blisters, saliva or mucus of an infected person.
The disease has the symptoms of fever, fatigue, headache, body aches, runny nose and sore throat within five days before the rash of red, itchy spots that turn into fluid-filled blisters.
The disease lasts between 7-10 days.
Since the beginning of the year, Hanoi has had 172 dengue fever cases and 151 hand, foot and mouth disease patients.
The Hanoi Centre for Disease Control forecasted that infectious diseases such as flu, whooping cough, measles and adenovirus virus could increase in the coming time.
