How do Pathogenic Bacteria Cause Diseases?
There are many beneficial bacteria to humans that live on and within the human body systems. These beneficial bacteria help our immune system keep away pathogenic bacteria. Many people therefore ask the question ‘is a bacterial infection contagious’? Bacteria are contagious and there are many pathogenic bacteria diseases affecting humans all over the globe. When the immune system and the beneficial bacteria are affected in some way, pathogenic bacteria can attack the body and cause diseases. In such cases, it is known as opportunistic infection. Bacteria can cause food poisoning, tooth decay, anthrax, bacterial pneumonia and many cause cancer in humans. Where Do Pathogenic Bacteria Come from? There are four main sources of pathogenic bacteria from where the bacteria gain entry in to the body and cause infection. The main source of pathogenic bacteria is raw food such as meat, poultry, egg, dairy products, rice, etc. The other sources of pathogenic bacteria are pests and pets. Pests lik
