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On March 24, some students in a primary school in Harbin developed vomiting and other symptoms.
After the disease control department tested, a total of 6 students tested positive for norovirus
.
After the disease control department tested, a total of 6 students tested positive for norovirus
.
On April 9, some students from a university in Jilin suffered sudden gastrointestinal discomfort, with symptoms of vomiting and diarrhea
.
Some of the students tested positive for norovirus, and experts initially judged that they were infected with norovirus and were mildly ill
.
.
Some of the students tested positive for norovirus, and experts initially judged that they were infected with norovirus and were mildly ill
.
On October 21, 16 children in a kindergarten in Guangxi successively developed symptoms of vomiting and abdominal pain, which were caused by norovirus infection through preliminary analysis by the staff
.
.
On October 29, a number of children in a kindergarten in Shenyang showed symptoms such as vomiting and diarrhea one after another, and 6 of them were found to be infected with norovirus by the Center for Disease Control and Prevention
.
.
On November 1st, 12 children in a kindergarten in Anhui developed fever and vomiting one after another
.
After feedback from the Center for Disease Control and Prevention, it was initially considered to be an acute infection caused by norovirus
.
.
After feedback from the Center for Disease Control and Prevention, it was initially considered to be an acute infection caused by norovirus
.
On November 11, several children in a kindergarten in Luoyang City experienced vomiting.
After testing, the Luoyang City Disease Control Department determined that this was a cluster of acute gastroenteritis caused by norovirus
.
After testing, the Luoyang City Disease Control Department determined that this was a cluster of acute gastroenteritis caused by norovirus
.
Norovirus, also known as Norwalk virus, is an RNA virus belonging to the Caliciviridae family and is one of the main causes of viral diarrhea
.
.
Norovirus is mainly transmitted through the fecal-oral route
.
People are susceptible to infection when they come into contact with virus-contaminated water, food or patient vomit, aerosols formed by feces, and indirect contact with environmental surfaces contaminated by feces or vomit
.
It can be seen that norovirus is very contagious, and it is easy to break out and spread in semi-closed environments such as schools and kindergartens
.
.
People are susceptible to infection when they come into contact with virus-contaminated water, food or patient vomit, aerosols formed by feces, and indirect contact with environmental surfaces contaminated by feces or vomit
.
It can be seen that norovirus is very contagious, and it is easy to break out and spread in semi-closed environments such as schools and kindergartens
.
Norovirus infection can occur throughout the year.
October to March of the following year is the season for norovirus epidemics
.
All people are generally susceptible, and the same person can be infected with the same strain or different types of norovirus repeatedly
.
October to March of the following year is the season for norovirus epidemics
.
All people are generally susceptible, and the same person can be infected with the same strain or different types of norovirus repeatedly
.
Norovirus infection has a short incubation period, usually 24-48 hours, the shortest 12 hours, and the longest 72 hours
.
The main symptoms are mild.
The most common symptoms are diarrhea and vomiting, followed by nausea, abdominal pain, headache, fever, chills, and muscle aches
.
Vomiting is predominant in children, and diarrhea is predominant in adult patients
.
In severe cases, symptoms of dehydration may occur
.
.
The main symptoms are mild.
The most common symptoms are diarrhea and vomiting, followed by nausea, abdominal pain, headache, fever, chills, and muscle aches
.
Vomiting is predominant in children, and diarrhea is predominant in adult patients
.
In severe cases, symptoms of dehydration may occur
.
Norovirus infection is a self-limiting disease.
Most patients can recover within 2-3 days after infection, and a few severe patients may be infected or even die
.
Most patients can recover within 2-3 days after infection, and a few severe patients may be infected or even die
.
How to prevent norovirus?
1.
Pay attention to personal hygiene and food hygiene, and stay away from places where large-scale norovirus infections occur: wash your hands before eating and after going to the toilet, and before processing food; do not drink raw water, do not eat raw food, especially seafood such as shellfish, must be cooked Cook thoroughly; wash fruits and vegetables before eating; separate raw and cooked to avoid cross-contamination, and try to reduce the possibility of infection from the source
.
Pay attention to personal hygiene and food hygiene, and stay away from places where large-scale norovirus infections occur: wash your hands before eating and after going to the toilet, and before processing food; do not drink raw water, do not eat raw food, especially seafood such as shellfish, must be cooked Cook thoroughly; wash fruits and vegetables before eating; separate raw and cooked to avoid cross-contamination, and try to reduce the possibility of infection from the source
.
2.
Actively isolate after being accidentally infected with norovirus: the infected person must be isolated at home or hospitalized according to the condition until the symptoms completely disappear; during the infection period, they cannot prepare and process food or accompany other people, especially the elderly and children
.
Actively isolate after being accidentally infected with norovirus: the infected person must be isolated at home or hospitalized according to the condition until the symptoms completely disappear; during the infection period, they cannot prepare and process food or accompany other people, especially the elderly and children
.
3.
Timely disinfection treatment: Disinfect the environment and objects contaminated by the vomit or feces of the infected person in time; when cleaning the objects contaminated by vomit, wear plastic gloves and masks to avoid direct contact with pollutants
.
Timely disinfection treatment: Disinfect the environment and objects contaminated by the vomit or feces of the infected person in time; when cleaning the objects contaminated by vomit, wear plastic gloves and masks to avoid direct contact with pollutants
.
Finally, remind everyone that there is no vaccine or specific medicine against norovirus, and antibiotics are also ineffective against viruses
.
Don't abuse antibiotics on your own
.
Seeing a doctor in time is the best policy .
.
Don't abuse antibiotics on your own
.
Seeing a doctor in time is the best policy .
