More than 10,000 cases have been diagnosed in many countries! Dengue fever can seriously kill people! There are cases in China! Remember to guard against May Day travel! ! !
The weather is getting warmer.
Mosquito increase
Mosquito-borne diseases
Dengue fever should not be underestimated
How serious is the dengue epidemic this year?
How should ordinary people prevent it?
▲ Aedes albopictus
▲ Aedes aegypti
Recently, the national disease control bureau
Issue a health reminder:
1. Analysis of global dengue epidemic situation.
Dengue fever is prevalent in tropical and subtropical cities and semi-urbanized areas, and it tends to spread to temperate zones. It is estimated that by 2080, about 63% of the global population will be at risk of dengue infection.
1. Epidemic in America: The Pan American Health Organization issued a warning that the worst dengue fever epidemic in history may break out in America this year. From January to March, 2024, the number of dengue cases reported in the Americas exceeded 3 million, and more than 1,000 people died, three times that of the same period last year.
1. Brazil, as of April 10, 2024, the number of dengue cases has exceeded 3.06 million.
Dengue fever epidemic in Brazil
2. Paraguay has recorded 210,000 cases of dengue fever and reported 50 deaths since the beginning of 2024.
Dengue fever epidemic in Paraguay
3. In Argentina, the number of reported cases of dengue fever has increased six times compared with the same period last year.
Second, the epidemic situation in Southeast Asia: Compared with the same period last year, the number of cases increased significantly.
1. In Singapore, the National Environment Agency (NEA) reported that the number of dengue cases increased by 114% in the first quarter of 2024.
Dengue fever epidemic in Singapore
2. In Indonesia, more than 62,000 cases of dengue fever have been confirmed, and 475 cases have died, which is about three times that of the same period last year, mostly in Tangerang and Bandung. China citizens have been found to be diagnosed.
3. In Malaysia, as of the 7th week of 2024, the cumulative number of reported cases of dengue fever reached 25,541.
Dengue fever epidemic in Malaysia
4. Laos, as of the 11th week of 2024, the total number of reported cases has reached 1,499. Compared with the same period in 2023, it increased by 167.1%.
Dengue fever in Laos
2. The epidemic characteristics of dengue fever in China
The epidemic situation of dengue fever in China is mainly imported from abroad, and the cases mainly come from Southeast Asia, South Asia and other countries. The domestic epidemic situation is mainly concentrated in the southern and port cities, as shown below (the picture comes from the literature).
Aedes albopictus, the vector of dengue fever, is distributed in 25 provinces and municipalities along the southeast of Liaoning-Hebei-Shanxi-Shaanxi-Gansu-Sichuan-Xizang.
Aedes aegypti is distributed in southern Guangdong and western Hainan, and has spread in western and southern Yunnan in recent years.
3. Many imported cases of dengue fever have been reported this year.
Dengue fever in China
It is mainly caused by imported cases.
Guangzhou CDC revealed on the 19th that
Since this year
Epidemic situation of dengue fever imported into Guangzhou
Come earlier than usual
And the number of imported cases has increased compared with last year.
Qin Pengzhe, Deputy Director of Guangzhou CDC:
The epidemic situation in Southeast Asia and dengue fever in South America is now more serious, which will be heavier than in previous years. The second point is that the passenger flow on our international routes is rising continuously, which also brings us greater import risk. The third point is that this year is the earliest year since 1961, and it will enter summer on March 23, and high temperature will also lead to the breeding of mosquitoes.
There were imported cases in January this year, which is also related to the epidemic situation in Southeast Asia and South America just mentioned, because there is a relatively large increase in the local area. There are many second cases, with more than a dozen cases. We have already imported more than a dozen cases, but they have all been completely dealt with at present, and no local cases have appeared.
According to the monitoring of disease control in Guangzhou, the adult mosquito density in Guangzhou has been higher than that in the same period of the past three years since January this year. Therefore, the city’s disease control forecast: in May this year, or even earlier, there will be a great possibility of dengue cases in Guangzhou!
4. It hurts more than a broken bone at the onset, and it will kill you in severe cases.
dengue
It is caused by dengue virus.
Acute insect-borne diseases
Because of the severe pain
Also known as "bone fracture fever"
Dengue fever is not "human-to-human"
It is mainly transmitted by the bite of Aedes mosquitoes.
Aedes mosquitoes generally hide in the balcony in front of and behind the house, or in small water in containers, including aquatic plants, flowerpot bases, water storage containers, water trays in drinking fountains, and discarded tires.
Aedes mosquitoes are often active at 7-10 am and 4-7 pm.
Typical symptoms of dengue fever
"High fever, three pains and three redness"+rash
High fever: sudden high fever (above 40°C)
Three pains: severe headache, joint pain all over the body and muscle aches.
Three reds: face red, neck red and chest red.
Rash: Congestive rash or punctate bleeding rash appears on the trunk or head and face of limbs.
After most people are infected with dengue fever
Mild or asymptomatic symptoms
Only a few patients will develop severe diseases.
Even death
If you have stayed in a country or region where dengue fever is prevalent in the past two weeks, or dengue fever has occurred in the community, street or even city where you live and move, you will have a sudden fever (sometimes up to 39°C) accompanied by one of the following symptoms:
Obvious fatigue, anorexia, nausea, etc., often accompanied by severe headache, orbital pain, systemic muscle pain, bone and joint pain, and may be accompanied by flushing on the face, neck and chest. You should consider the possibility of contracting dengue fever.
June-October is the traditional high incidence season of dengue fever in China.
If you suspect you have dengue fever
Attention should be paid to mosquito prevention measures and early medical treatment.
And take the initiative to inform the attending doctor
My living history and mosquito bite history in the past 2 weeks.
5. Reminder: After the rain,
The accumulated water in front of and behind the house should be cleaned up in time.
CDC appeals to citizens
Respond early
Do a good job in mosquito control.
Prevent dengue fever from spreading locally.
Especially the recent intensive rainfall.
The accumulated water in front of and behind the house should also be cleaned up in time.
The key to killing mosquitoes: turn it over!
No water, no mosquitoes.
No mosquitoes, no dengue fever.
As the general public
The most important thing we can do.
Is to clean up the stagnant water at home.
Turn over and fall over.
Kill mosquitoes in the cradle
01
Container for cultivating aquatic plants
Water should be changed 1-2 times a week, and the roots of plants and the inner wall of containers should be washed.
02
All kinds of containers
Clear the accumulated water in various containers such as pots, cans, jars, jars and bottles inside and outside the home and before and after the courtyard.
03
plastic membrane
Remove the discarded plastic film outdoors, and the plastic film temporarily idle outdoors should be cleared of useless water in time.
6. How to avoid attracting mosquitoes?
When mosquitoes are within 1 meter.
When locking a group of potential targets
People with the following characteristics
It is easy to become a mosquito’s "toon"
Trying to avoid mosquitoes
People who sweat easily should wipe off sweat in time.
Take a bath as soon as possible after exercise.
Use less perfume, lotion, etc.
Wear less black clothes.
7. Pay attention to prevent dengue fever when traveling abroad.
There is no approved and registered vaccine for dengue fever, and there is no specific antiviral drug. Early detection, early diagnosis, early treatment and early mosquito isolation are the main measures to deal with dengue fever.
At present, Southeast Asia, South Asia and Latin America, such as Indonesia, Malaysia, Thailand, Singapore, Bangladesh, Cambodia, Laos, Brazil, Argentina, Colombia, Paraguay and other countries have entered the epidemic season of dengue fever. In China, Guangdong, Guangxi, Hainan, Fujian, Zhejiang, Yunnan and other coastal or border areas also have the potential risk of dengue fever epidemic.
The May Day holiday is coming. When you travel to these areas, you must know the local epidemic situation in advance and take mosquito prevention measures.
one
Wear long-sleeved clothes and trousers outside and use mosquito repellent to prevent mosquito bites;
2
Screen doors and screens should be closed in hotels and homestays. Mosquito-repellent incense, mosquito-repellent aerosol, etc. can be used in rooms, especially cribs and strollers, and mosquito nets should be installed;
three
When using pesticides to kill mosquitoes at home, you should follow the instructions of the product to avoid children’s contact;
four
Avoid staying in outdoor shady places such as tree shade, grass and gazebo;
five
If you have fever, rash and other suspected symptoms, you should see a doctor in time and take the initiative to explain the situation of being bitten.
six
If you have fever within 2 weeks after returning to your hometown, you should see a doctor in time and explain your travel history. In order not to spread the disease to your family, please cooperate with the local health department and be hospitalized in isolation.
Finally send it to everyone.
A correct mosquito-fighting posture
Creativity: Guangzhou Daily Xinhua City reporter Long Chengliu Drawing: Guangzhou Daily Xinhua City reporter Liu Chengyu
Because of its wing structure and unique flight mode, mosquitoes are better at flying up and down, so when you clap your hands sideways, they will run away quickly up or down. It’s easier to hit this way.
Source: Guizhou Drug Control, CDC Disease Control, China News Service, GTV People’s Health, Guangzhou Daily, Straits Herald, Zhangzhou, qionghai city Rong Media Center, Beijing Health and Happiness Dongtai.
Original title: "More than 10,000 cases have been diagnosed in many countries! Dengue fever can seriously kill people! There are cases in China! Remember to guard against May Day travel! ! ! 》
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