EVERYDAY SCIENCE

Detailed explanation-1: -Diphtheria bacteria spread from person to person, usually through respiratory droplets, like from coughing or sneezing. People can also get sick from touching infected open sores or ulcers. Those at increased risk of getting sick include: People in the same household.

Detailed explanation-2: -Diphtheria is contagious and can spread from person to person. An infected person may cough or sneeze. Another person can inhale the droplets. Touching open sores or an ulcer also causes the infection to spread.

Detailed explanation-3: -Some examples of the communicable disease include HIV, hepatitis A, B and C, measles, salmonella, measles, and blood-borne illnesses. Most common forms of spread include fecal-oral, food, sexual intercourse, insect bites, contact with contaminated fomites, droplets, or skin contact.

Detailed explanation-4: -Diphtheria (dif-THEER-e-uh) is a serious bacterial infection that usually affects the mucous membranes of the nose and throat. Diphtheria is extremely rare in the United States and other developed countries thanks to widespread vaccination against the disease.

Detailed explanation-5: -Untreated people who are infected with the diphtheria bacteria are usually contagious for up to two weeks and seldom longer than four weeks. After starting antibiotics, the infected person usually becomes non contagious in 48 hours.