3.How are the following disease transmitted:(A...Malaria). (B.....Common cold). (C... Tetanus). (D.... Typhoid) *
Answers
Answer:
A. mosquitos
B. air and other persons
C. by getting hurt by something rusted
D. by polluted or dirty water
Explanation:
A. when a mosquito sucks the blood of an infected person it somehow takes the infection and when the same mosquito sits on another person the germs are transmitted in the body of the healthy person.
B. when a person sneezes or coughs we release many small saliva and mucus particles are releases and they can travel to far off distances and also get somehow settled in the air and when a healthy person breathes in this air the infection is transmitted into him
C. when we get hurt especially by a rusted object the germs of the rust flow in the blood of our body and we get the infection. So, it is advised to take a tetanus injection at that time
D. when we drink polluted or unclean water the germs cause a chemical reaction in the body and cause diseases like diarrhea etc.