Weekly dengue incidences () in Davao Region, Philippines were WHO's new classification in dengue with or without warning signs and in Brazil since , with the first records in Maranhão dating back to Dengue can cause internal bleeding. This happens when the dengue fever has advanced to a severe stage, called dengue hemorrhagic fever. We described and quantified epidemiologic trends in dengue disease in endemic countries in Latin America and Asia since December , for 28 WPRO countries and 11 SEARO countries, dating back to in some cases . .. Lawrence, J. DengueNet—WHO's internet based system for the.
5 Complications of dengue fever | Communicable Diseases
According to the WHO, no modifications are necessary to an existing certificate. Indeed under the IHR, any changes, deletions, erasures or additions may cause a certificate to be rendered invalid. Recommended precautions Shipowners and operators with vessels trading within mosquito zones should ensure that these vessels are able to deal with the various challenges that a mosquito-borne disease can bring.
factors affecting dengue: Topics by edocki.info
In addition to the duty of care for those onboard, shipowners and Masters also have a responsibility for taking measures to prevent such diseases from being passed on.
Members and clients are therefore advised to, as far as practicable, tailor make their own strategies for dealing with risks associated with mosquito-borne diseases and the following should be considered: Prior to visiting affected areas Continuously monitor the WHO website and similar sources for official advice regarding any ongoing outbreaks.
Contact a medical practitioner if in doubt.
Review all the ports to be visited and evaluate the risk. Consider the length of stay in an affected area, time spent at sea, in port, on rivers, etc. Inform the crew about the risks and the precautions to be taken as well as actions to be taken if illness occurs at sea.
5 Complications of dengue fever
Stress that a headache, fever and flu-like symptoms are always grounds for contacting the medical officer. Ensure sufficient supplies of effective insect repellents e. Ensure that all crew members carry valid yellow fever certificates.
During a visit to affected areas Implement measures to avoid mosquito bites, e. If crew members are taking anti-malarial drugs, implement a method of control to ensure they take the medication at the prescribed times, e. Remove pools of stagnant water, dew or rain in order for the vessel not to create its own mosquito breeding grounds. Pay particular attention to areas such as lifeboats, coiled mooring ropes, bilges, scuppers, awnings and gutters.Who's Dating Who In Young Justice Season 3: Outsiders?
After a visit to affected areas Seek medical advice over the radio, particularly if malaria or dengue is suspected on board. Although the full global burden of the disease is uncertain, the initiation of activities to record all dengue cases partly explains the sharp increase in the number of cases reported in recent years.
Other features of the disease include its epidemiological patterns, including hyper-endemicity of multiple dengue virus serotypes in many countries and the alarming impact on both human health and the global and national economies. Distribution trends Beforeonly 9 countries had experienced severe dengue epidemics. Recently the number of reported cases has continued to increase.
Dengue virus disease - edocki.info
Not only is the number of cases increasing as the disease spreads to new areas, but explosive outbreaks are occurring. The threat of a possible outbreak of dengue fever now exists in Europe as local transmission was reported for the first time in France and Croatia in and imported cases were detected in 3 other European countries.
Inan outbreak of dengue on the Madeira islands of Portugal resulted in over 2 cases and imported cases were detected in mainland Portugal and 10 other countries in Europe. Among travellers returning from low- and middle-income countries, dengue is the second most diagnosed cause of fever after malaria. Dengue was also reported in Japan after a lapse of over 70 years. InDelhi, India, recorded its worst outbreak since with over 15 cases. The Island of Hawaii, United States of America, was affected by an outbreak with cases reported in and ongoing transmission in The year was characterized by large dengue outbreaks worldwide.
The Region of the Americas region reported more than 2.
Mosquitoes - one of the deadliest animals in the world
The Western Pacific Region reported more than suspected cases of dengue inof which the Philippines reported and Malaysia cases, representing a similar burden to the previous year for both countries. The Solomon Islands declared an outbreak with more than suspected. In the African Region, Burkina Faso reported a localized outbreak of dengue with probable cases. Ina significant reduction was reported in the number of dengue cases in the Americas - from 2 cases in to cases in Panama, Peru and Aruba were the only countries that registered an increase in cases during In early Paraguay and Argentina reported dengue outbreaks.
An estimated people with severe dengue require hospitalization each year, and with an estimated 2. Transmission The Aedes aegypti mosquito is the primary vector of dengue.
The virus is transmitted to humans through the bites of infected female mosquitoes. After virus incubation for 4—10 days, an infected mosquito is capable of transmitting the virus for the rest of its life. Infected symptomatic or asymptomatic humans are the main carriers and multipliers of the virus, serving as a source of the virus for uninfected mosquitoes.
Patients who are already infected with the dengue virus can transmit the infection for 4—5 days; maximum 12 via Aedes mosquitoes after their first symptoms appear.
The Aedes aegypti mosquito lives in urban habitats and breeds mostly in man-made containers. Unlike other mosquitoes Ae. Aedes albopictus, a secondary dengue vector in Asia, has spread to North America and more than 25 countries in the European Region, largely due to the international trade in used tyres a breeding habitat and other goods e. Its spread is due to its tolerance to temperatures below freezing, hibernation, and ability to shelter in microhabitats.
Characteristics Dengue fever is a severe, flu-like illness that affects infants, young children and adults, but seldom causes death.
Symptoms usually last for 2—7 days, after an incubation period of 4—10 days after the bite from an infected mosquito. Severe dengue is a potentially deadly complication due to plasma leaking, fluid accumulation, respiratory distress, severe bleeding, or organ impairment.