Yellow fever vaccines for traveling to Cambodia dropped

Written by Staff Writer by Michael Thomas, CNN

Travellers heading to Cambodia are no longer required to go through mandatory immunization requirements for travelers following a lifting of a 14-year-old quarantine.

The decision came after public health officials discovered that the vaccine for yellow fever was ineffective in preventing the disease and did not induce the host to produce antibodies that would protect the body from yellow fever infection, according to a press release from the Ministry of Health.

Travellers must be vaccinated against yellow fever for travel from Brazil to Thailand. Credit:EPA

“Our ministry will not discriminate against the incoming travelers and will always provide them with all possible medical and health services as mandated by the laws,” said Health Minister Suthin Bunpat.

Yellow fever, which is transmitted by infected mosquitoes, is a viral disease that affects people in tropical regions, according to the World Health Organization. The infection can cause fever, headache, vomiting, headache, jaundice, muscle pain, swelling and nausea. It’s usually fatal, with an average mortality rate of 35% in infected areas.

The Philippines has recently recorded the largest number of yellow fever cases in more than a decade. Credit:AFP/Getty Images

While yellow fever is widely believed to have been wiped out, sporadic outbreaks continue. At the start of the year, the Philippines reported its highest number of cases in more than a decade, with 2,519 cases reported between January and June.

And, in 2012, there were more than 16,000 cases of the disease worldwide, with more than 5,300 cases reported in Angola. Most countries of endemic areas — countries where yellow fever is widespread and cause for concern — lack good surveillance and treatment mechanisms in place.

In July, the WHO raised yellow fever’s alert level from yellow fever VIII to yellow fever VIX. This gives the disease a four on a six-point scale, meaning a high risk to the health of people or animals is imminent.

The airport, the world’s second busiest, sees more than 50 million travelers a year. Credit:AFP/Getty Images

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