
| Disease |
Method of Infection | Major Symptoms |
| Tuberculosis | through water droplets in the air | persistent cough, greenish thick sputum, sputum streaked with blood |
| Cholera |
through
contaminated food and drinks housefly |
severe diarrhoea,
vomitting,
thirsty feeling
severe cramps
|
| Gonorrhoea |
sexually transmitted disease
from expectant mother to
foetus
|
eventual sterility,
pain during urination, for women
pain in the reproductive organs
|
| Syphilis |
sexually transmitted disease
from expectant mother to
foetus
|
painless
sores,
non-itchy rashes, deformed joints, paralysis |

| Penyakit |
Kaedah
jangkitan |
Simptom- simptom utama |
| tuberkulosis (batu kering) |
melalui titisan air dalam udara | batuk tidak
terhenti-henti, kahak hijau kekuningnan, kahak mengandungi darah |
| kolera
(taun) |
melalui makanan dan minuman tercemar | cirit birit
yang serius, muntah, kehausan kejang otot |
| Gonorea | hubungan seks, dari ibu kepada janin / fetus | kemandulan, kesakitan semasa berkencing bagi wanita, kesakitan pada organ-organ pembiakan |
| Sifilis | hubungan seks, dari ibu kepada janin / fetus | kudis yang tidak sakit, ruam yang tidak gatal, sendi otot yang cacat |
Lihat juga Mikroorganisma dan Penyakit