Last updated: November 10, 2026. Hospitals across China are reporting a sharp rise in respiratory illness among children as flu activity surges into the autumn-winter peak season. China's CDC says influenza is now the most common virus found in sick children, rhinovirus is also circulating at high levels, and schools in Jiangsu province have suspended classes. This guide explains the flu symptoms in children to watch for, how flu differs from a rhinovirus cold, and what to do at home. This guide is for information only — it is not medical advice. Always follow your doctor's guidance. Medical disclaimer: this article does not replace professional medical advice; only a doctor can diagnose your child, and any medicine must be given as your doctor advises.

Flu Symptoms in Children: China Surge & Home Care Guide

Written by Fatima Nursing Care

If your child has a sudden fever, cough and sore throat this week, you are not alone — and the pattern now being reported from China is one parents everywhere should understand. Hospitals across China are seeing a significant increase in respiratory cases among children, and the country's CDC says influenza is now the predominant virus, found in 17.5 percent of positive respiratory samples from patients with flu-like illness. At the same time, human rhinovirus — the virus behind most common colds — is circulating at high levels. Schools in Yangzhou, Nanjing and Nantong have suspended classes, and health officials expect the flu peak in mid-to-late December and early January. Knowing the symptoms, and knowing when a cold is actually flu, is what keeps a sick child safe at home.

What is happening in China right now?

China's autumn-winter respiratory season has arrived early and hard for children. According to the Guangming Daily, quoted by the Global Times on November 9, 2026, recent national sentinel surveillance data from the Chinese Center for Disease Control and Prevention (China CDC) shows influenza is now the predominant pathogen, while human rhinovirus is also circulating at high levels.

A second Global Times report on November 10 adds the detail:

• Influenza A (H3N2) is dominant among the circulating strains. Of 3,439 flu-positive specimens detected in southern provinces, 3,362 were influenza A; of 3,563 in northern provinces, 3,535 were influenza A.
• Most provinces have reached a medium epidemic level for influenza, and some have reached a high level, according to Xinhua, citing China CDC data.
• School outbreaks have shot up. The number of reported influenza cluster outbreaks in childcare facilities and schools nationwide has risen sharply, and the positive detection rate for influenza is notably higher in the 5 to 14 age group than in other age groups.
• Classes are being suspended. Schools in Yangzhou, Nanjing and Nantong in Jiangsu province have issued class suspension notices — in one case a class was suspended for four days after several pupils developed fever, cough and vomiting.
• The peak is still ahead. Wang Dayan, a researcher at the Institute for Viral Disease Control and Prevention under China's CDC, said at a press conference on November 10 that this year's flu peak will potentially appear in mid-to-late December and early January.
• No new virus is involved. The pathogens detected are all known common pathogens, Xinhua reported, and experts say the surge is at seasonal epidemic levels — it does not imply a progressively stronger or new virus.

Hong Kong is seeing the same pattern: the Centre for Health Protection has recorded 29 severe paediatric influenza cases this season, including two deaths, and a paediatric expert has warned parents to expect a longer flu season, with winter and summer waves overlapping.

Flu symptoms in children

Flu in children usually starts suddenly — a child who was fine in the morning can have a high fever by the evening. The symptoms parents most often see are:

• High fever — often 38.5°C or higher, sometimes with chills and sweating
• Cough — dry at first, sometimes becoming chesty
• Sore throat and a runny or stuffy nose
• Body aches and headache — children may complain that their legs or back hurt, or simply seem miserable and limp
• Tiredness and loss of appetite — the child wants to sleep far more than usual
• Vomiting or diarrhoea — more common in children than in adults with flu

Flu usually feels worse than a common cold and comes on faster. A cold builds up over a day or two with a runny nose and sneezing; flu hits suddenly with fever and body aches. Only a laboratory test can tell for certain whether the illness is flu, rhinovirus or another virus — ask your doctor whether testing is needed, and follow the doctor's advice on care.

Flu or rhinovirus? How to tell them apart

Both viruses are circulating in China right now, and both cause fever, cough and a runny nose — but they usually behave differently. Gong Pihua, deputy chief physician of pulmonary and critical care medicine at Peking University People's Hospital, told the Guangming Daily that influenza often involves more severe whole-body symptoms, while rhinovirus typically presents as a mild cold with prominent nasal congestion and sneezing.

• Rhinovirus (HRV) is a leading cause of the common cold. It is responsible for 30 to 50 percent of acute upper respiratory infections in children, circulates year-round, and spreads through droplets and contact with contaminated surfaces. Children under three are especially vulnerable.
• In adults a rhinovirus cold is usually self-limiting and clears within 7 to 10 days. In infants, the elderly and people with weak immunity it carries greater risk — possible complications include bronchitis, pneumonia, flare-ups of chronic lung disease, and secondary infections such as sinusitis or ear infection. Children may also have vomiting or diarrhoea with it.
• Flu, by contrast, is more likely to cause high fever, strong body aches and a child who is too tired to get up — and it is more likely to lead to pneumonia or to worsen asthma and other long-term conditions.

In practice, parents do not need to name the virus. What matters is the child's condition: a mild cold with a runny nose and sneezing usually needs rest and fluids at home, while a sudden high fever with body aches and tiredness should be treated as flu until a doctor says otherwise — and any warning sign below means same-day medical care.

Why children are being hit hardest

Children are the primary affected group in this surge, and the reasons are straightforward. The 5 to 14 age group has the highest flu positivity rate in China CDC's data, schools and childcare centres bring many children together in closed rooms, and children's immune systems have had less exposure to recent flu strains. That is why the cluster outbreaks are concentrated in schools — and why class suspensions, like those in Jiangsu, are being used to break the chain of spread.

The Hong Kong figures underline why vaccination matters: the Centre for Health Protection's analysis found that the rate of severe complications or death among unvaccinated children after flu infection was approximately five times higher than among vaccinated children. The 2026/27 seasonal flu vaccination programme began in Hong Kong on September 17.

What to do at home when your child has flu

For most children, flu is managed at home with rest, fluids and careful watching. Health authorities in China are giving the same advice to parents:

• Keep a sick child at home — do not send them to school or daycare until the fever has been gone for at least 24 hours without fever medicine and the child is well enough for normal activity. This protects other children and gives your child time to recover.
• Give plenty of fluids — water, soups and oral rehydration drinks in small, frequent sips. Watch for signs of dehydration.
• Rest and a cool, ventilated room — keep the room aired, avoid smoke and strong smells, and let the child sleep as much as they need.
• Control fever only as your doctor advises — use fever medicine at the dose and interval your doctor recommends for your child's age and weight. Never give aspirin to a child.
• Keep hands clean — wash hands often with soap and water, and teach the child to cough or sneeze into an elbow or tissue. Anyone caring for a sick child should wash hands after contact.
• Wear a mask when ill — a sick child and the person caring for them should wear a mask around others in the house, and stay away from elderly family members and babies as much as possible.
• Consider vaccination — health officials in China say vaccination is the most effective way to prevent flu, and that getting vaccinated now is still meaningful even though the season has begun. Children with flu-like symptoms, or who have recovered from flu, are still eligible for the vaccine, according to the experts quoted by the Global Times.

For families in Pakistan, the same home-care steps apply — and a trained home nurse can take over the daily watching at home: checking temperature and breathing, keeping a simple record of fever, fluids and symptoms to share with the doctor, supporting rest and meals, and alerting parents quickly if warning signs appear, with the doctor directing the care plan. This matters most for infants, for children with asthma, and for families where both parents work and cannot watch a sick child all day.

Frequently Asked Questions

What are the flu symptoms in children?

Flu in children usually starts suddenly with a high fever, cough, sore throat, runny or stuffy nose, body aches, headache and tiredness. Some children also have vomiting or diarrhoea. Flu tends to come on faster and feel worse than a common cold, with higher fever and more body aches. Any child with difficulty breathing, persistent high fever, unusual drowsiness or signs of dehydration needs medical care the same day.

How is flu different from a rhinovirus cold in children?

Doctors in China explain that influenza usually causes more severe whole-body symptoms — high fever, body aches and tiredness — while rhinovirus usually causes a mild cold with a blocked or runny nose and sneezing. Rhinovirus causes 30 to 50 percent of acute upper respiratory infections in children, according to the Guangming Daily report, and children under three are especially vulnerable. A rhinovirus cold in adults usually clears within 7 to 10 days, but in infants and young children it can lead to bronchitis or pneumonia, so worsening symptoms should be checked by a doctor.

Why are schools in China suspending classes?

Schools in Yangzhou, Nanjing and Nantong in Jiangsu province have suspended classes after several pupils fell ill with fever, cough and vomiting. China's CDC reports that influenza cluster outbreaks in childcare facilities and schools have risen sharply, and the positive detection rate for influenza is highest in the 5 to 14 age group. Classes are suspended to slow the spread while many children are ill at the same time.

When should a sick child see a doctor urgently?

Seek medical care the same day if a child has difficulty breathing or fast breathing, lips or face turning blue, a fever that stays high or returns after improving, unusual sleepiness or difficulty waking, signs of dehydration such as very little urine or no tears, or chest pain. Children under three months with any fever, and children with asthma or another long-term condition who develop flu symptoms, should also be seen promptly.

How can home nursing help a sick child?

A home nurse can watch a sick child through the day — checking temperature and breathing, keeping a simple record of fever, fluids and symptoms to share with the doctor, supporting rest and meals, and letting parents know quickly if warning signs appear — with the doctor directing the care plan. WhatsApp +92 308 3688218 to arrange a certified nurse.

Sources

• Chinese National Influenza Center, China CDC — Chinese Weekly Influenza Surveillance Report, Week 43 (19–25 October 2026)
• Centre for Health Protection, Hong Kong — COVID-19 & Flu Express (weekly report)
• World Health Organization — Influenza (Seasonal) (fact sheet)

Medical Disclaimer

This article is for general information only and is not a substitute for professional medical advice, diagnosis, or treatment. The figures in this article are reported as stated by the sources named — the Global Times (November 9–10, 2026), the Guangming Daily, the Chinese Center for Disease Control and Prevention sentinel surveillance and weekly influenza report, Xinhua, CCTV, and the Hong Kong Centre for Health Protection — and the situation may change as new data is published. The surge is described by the sources as a seasonal epidemic of known viruses; no new or unknown pathogen has been reported. Always seek the advice of a qualified doctor with any questions about a medical condition, and never disregard professional medical advice or delay seeking it because of something you have read here. Only a doctor can diagnose your child. Any medicine must be given as your doctor advises. Difficulty breathing, persistent high fever or unusual drowsiness in a child needs same-day medical care.