Poliovirus is the virus that causes polio. Most people who get infected with poliovirus will not show any visible symptoms. Some will have flu like symptoms, like sore throat, fever, and stomach pain. A small proportion of people infected with poliovirus may develop more serious problems, like paralysis and meningitis.
P. aeruginosa is a bacterium that can cause severe infection in immunocompromised individuals or patients in the hospital. Infections of the blood, pneumonia, and other infections following a surgery are caused by this bacterium. Mild ear infections and skin rashes can occur when the bacterium affects healthy people.
Rubella virus causes the disease rubella and congenital rubella syndrome in pregnancy. Rubella has symptoms like the flu, however, the most important symptom is the appearance of a rash on the face that spreads. Other symptoms include: fever, swollen glands, and joint pains. Rare problems that could arise are brain inflammation and ear infection. Congenital rubella syndrome is present in newborns. A pregnant woman who has contracted rubella passes it on to the fetus. The classic three symptoms are: deafness, eye abnormalities, and congenital heart disease. Other symptoms may be: spleen and liver problems, intellectual disability, and low birth weight. In many cases, pregnant women may lose their child, due to a miscarriage.