direct physical contact: shaking hands, chicken-pox, air bourne: cough, sneeze, measles, covid 19, indirect physical contact: hepatitis, water borne: cholera, typhoid, food borne: undercooked meat, e.coli, salmonella, vector borne: mosquito, malaria,

transmission of pathogens

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Otomatik olarak kaydedilen geri yüklensin mi: ?