What are the causes of Malaria?

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malaria mosquito
Malaria is endemic or periodic throughout most of the tropics associated subtropics below associate altitude of 1500m, excluding the Mediterranean littoral, the USA and Australia. infection can be a phylum malady caused by infection with parasites of the genus, The bite of bound species of infected feminine anopheline mosquitoes transmitted to man. protozoal infection is hyper endemic within the city Hill Tracts space, within the border areas of Kustia, Dinajpur, Mymensing and Sylhet in Bangladesh.

Mode of transmission:           
1. Transmission by infected mosquitoes (inoculation of sporozoites into man by bite of infected female anopheline mosquitoes).
a. Transmitting agent (Female anopheles)
b. Infectious forms (Sporozoites)
c. Portal of entry (Skin)
2. Transfusion (malaria happens throughout the course of insertion, once infected persons are used as donors).
3. Congenital malaria (Transmission of infection to fetus in utero through some placental defect).

The possible causes of upsurge of malaria may be:
1. amendment in topographical options significantly within the epidemic prone areas.
2. Steady rise of cases on cases on each side of the border.
3. Inadequate vector management measures.
4. very little or no epidemic prognostication system.
5. Deficiency of enough diagnostic and treatment facilities at the peripheral level.
6. Cross-border migration of labor force.

Incubation period:
Period of P. vivax, oval and P. falciparum malaria_ 9-14days; P. malaria _18days to 6weeks.

Clinical Features:
1. Malaria presents with abrupt onset of fever and chills, accompanied by headache, myalgias, and artralgia.
2. Fever could also be continuing early within the illness, the standard periodic cycle doesn't develop for many days when onset. The fever spike, which can reach 40 degree centigrade is frequently accompanied by nausea, vomiting and abdominal pain. The fever is following by drenching sweats.
3. Splenomegaly is seen in most patients.
4. Hepatomegaly occurs in roughly 1/3 cases.

5. Anemia: Normocytic or microcytic hypochromic type.

Control and Prevention:
1. Chloroquine: Chloroquine also pregnancy and lactation Chloroquine may be given safety.
 2. The use of mosquito net.
3. Protective clothing should be worn outside the house.
4. Use of repellent creams and sprays.
5. Screened windows.

6. Burning of repellent coils or tablets.
Symptoms of Malaria

Complication:
1. Severe anemia
2. Organ damage due to anoxia:
                       a) Brain: coma and Confusion
                       b) Intestine: diarrhea, congestion and passively leaky to bacteria
                       c) Liver: Jaundice and encephalopathy (rare)
3. Intravascular haemolysis: Blackwater fever
4. Hypoglycemia, especially with quinine treatment
5. Shock secondary to septicemia
6. Hypertensive shock
7. Metabolic acidosis
8. Splenic rupture
9. In pregnancy: Maternal death, abortion, stillbirth, low birth weight.

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