Yellow fever

Yellow fever is an acute infectious disease characterized by sudden onset, fever, bloody vomiting, jaundice, prostration, and a tendency to bleed from the nose, stomach, intestines, and the mucous membranes of the mouth.

In the initial period of the disease, which lasts 2-5 days, the temperature increases (39-39,5 ° C), nausea, vomiting and constipation. Jaundice appears 2-3 days of illness. Typically, abdominal pain, muscle pain, exhaustion, headache, anxiety, irritability. During intoxication, lasting from 6 to 9 days of illness, there was a further rise in temperature and there is a black vomit.

Do patients have blunted consciousness and apathy. When successful outcome recovery is slow. Jaundice lasts several weeks.

Pathogen — the yellow fever virus.

Method of distribution:

In vivo carriers — mosquitoes.

Artificial, in biological warfare — spray in the air, use of infected insects.

Infectious dose — yellow fever occurs through the bite of an infected mosquito.

Incubation period: 2-6 days after infection by mosquitoes, 5-10 days — during infection aerogenic by.

Lethality of the disease: the local population — 5% among others — 30-40%.

Disease directly from person to person is not sent. Epidemics occur in areas where there are lots of mosquitoes.

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