How the bacterial diseases spread?

Answer 1

bacteria spreads because of binary fission
Bacteria of say cholera spreads through contaminated water. By hands of food handelres, if he is unhygenic.( Often a child labour.) Through flys. When they sit on fecal matter and go to food and sit there. Tuberculosis bacteria may spread by sitting on dust particles called as fomites. Through air as in case of tuberculous bacteria, when patient of active tuberculosis coughs out millions of them.Some bacteria form spores in adverse conditions. Then they can spread by so many physical factors. ( It is claimed to have them germinated after 5000 years.) When a patint travels by air he can carry bacteria with him round the earth in a day. Some bacteria has a flagella and they can move a short distance with the help of flagella. As in case of cholera bacteria.

Answer 2

Bacteria spread form person to person in so many different ways. From people not washing their hands to not covering their mouths when they sneeze or cough. For better answers go to Google if this wasn't a good enough answer for you

Answer 3

• Through person to person contact (ex. tuberculosis, chicken pox)
• Some require close or intimate contact in order to be transmitted (ex. HIV)
• Through air
• Through contamination of food and water (cholera, typhoid)
• Through contact with contaminated vectors (ex. animals)

Answer 4

Bacterial diseases can spread through contaminated water and foodstuff. It can also spread thorugh the air. When the infected person coughs, spits, talks or sneezes, he propells germs into the air which infects another person who inhales them. There are also cerain bacterial sexually transmitted diseases. These bacterial STDs can spread through sexual intercourse and also through direct skin-to-skin contact (not all of them, only a few)

Answer 5

It uses heat and damp to survive and in that condition bacteria multiplies