What symptom does forest encephalitis have?

summary

Forest encephalitis is an acute infectious disease of central nervous system caused by tick borne encephalitis virus of flavivirus, and tick is its vector. Clinically, it is characterized by high fever, headache, disturbance of consciousness, meningeal irritation and paralysis, with sequelae and high mortality. What symptom does forest encephalitis have? Let's talk about it

What symptom does forest encephalitis have?

Generally, the fever reached the peak (39.5-4l ℃) 2-3 days after onset. Most of the patients continued for 5-10 days, and then gradually decreased to normal after 2-3 days.

High fever with headache, muscle pain, weakness, lack of appetite, nausea, vomiting, etc., and due to the damage of vascular motor center, patients can also appear face, neck flushing, conjunctival congestion, slow pulse, some severe patients have myocarditis performance, often heart sound low blunt, heart rate increased, ECG examination has T wave changes, serious patients can suddenly appear cardiac insufficiency, acute pulmonary edema, etc.

The most common symptom is severe headache, especially in the temporal and occipital regions. It is often explosive and pulsatile, presenting as tearing headache, accompanied by nausea, vomiting, neck rigidity and meningeal irritation. It generally lasts for 5-10 days, and can coexist with coma. When conscious, it can last for about 1 week.

matters needing attention

1. Vaccinated with forest encephalitis vaccine, 2ml intramuscularly for the first time, and 3ml intramuscularly after 7-10 days. 2. Do a good job in the environmental sanitation around the workplace, strengthen the work of rodent control, rodent control and tick control. 3. When entering the forest area, do a good job of personal protection to prevent ticks from biting.