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,

द्वारा

लीडरबोर्ड

दृश्य शैली

विकल्प

टेम्पलेट स्विच करें

ऑटो-सेव पुनःस्थापित करें: ?