Diseases Caused by Viruses

Disease	Method of Infection	Major Symptoms
Common cold and influenza	through water droplets in the air	running nose, fever, head- ache, body aches, sore throat, watery eyes, cough
Dengue fever	pathogen: virus vector: Aedes aegypti	high fever, muscle and joint aches, red spots on skin, bleeding of skin, internal bleeding
AIDS Acquired Immune Deficiency Syndrome	blood transfusion, sexual intercourse, sharing needles	oral thrush, intermittent fever, diarrhoea, no appetite, loss of weight
Hepatitis A	through contaminated food and drinks	abdominal discomfort, jaundice
Hepatitis B	through blood transfusions, wounds, sexual intercourse	fever, rashes on skin, jaundice
Measles	droplets of saliva, direct contact with infected person, through the air	fever, cough, distinctive red-brown spots
Poliomyelitis	direct person-to -person contact, contact with infected mucus, phlegm	muscle weakness, progresses to paralysis
Mumps	through coughing, sneezing and even talking with infected person	swollen cheeks, swollen jaws, fever, headache

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Penyakit yang disebabkan oleh Virus

Penyakit	Kaedah jangkitan	Simptom- simptom utama
Deman selsema	melalui titisan air dalam udara	hidung berair,sakit kepala, sakit badan, sakit kerongkong, mata berair,batuk
Demam denggi	patogen: virus vektor: Aedes aegypti	deman tinggi, sakit otot dan sendi, titik merah pada kulit, kulit berdarah, perdarahan dalaman
Penyakit AIDS	transfusi darah, hubungan seks, perkongsian jarum (mengambil dadah)	seriawan, demam berkala, cirit-birit, tiada selera makan, hilang berat
Hepatitis A	melalui makanan dan minuman tercemar	ketidakselesaan di bahagian abdomen, deman kuning (jaundis)
Hepatitis B	melalui transfusi darah, kecederaan, hubungan seks	demam, ruam pada kulit, demam kuning (jaundis)
Demam campak	titisan air liur, hubungan terus dengan pesakit / orang yang dijangkiti, melalui udara	demam, batuk, titik-titik merah perang
Poliomielitis	hubungan terus antara pesakit dengan yang dijangkiti, tersentuh mukus atau kahak yang dijangkiti	kelemahan otot yang boleh mara kepada kelumpuhan
Beguk	melalui batuk, bersin dan bercakap dengan orang yang dijangkiti	pipi dan rahang yang bengkak, demam, sakit kepala