Primary, secondary, and tertiary sources. When searching for information on a topic, it is important to understand the value of primary, secondary, and tertiary sources.Primary sources allow researchers to get as close as possible to original ideas, events, and empirical research as possible.ertiary resources often provide data in a convenient form or provide information with context by which to interpret it. The distinctions between primary, secondary, and tertiary sources can be ambiguous.
As you might think, bacterial infections are caused by bacteria, and viral infections are caused by viruses. Perhaps the most important distinction between bacteria and viruses is that antibiotic drugs usually kill bacteria, but they aren't effective against viruses.
Antibiotics are medications that fight infections caused by bacteria, but the flu is cause by a virus. Taking antibiotics when you have a virus may do more harm than good. Taking antibiotics when they are not needed increases your risk of get ting an infection later that may resist antibiotic treatment.ntibiotics only cure certain infections due to bacteria -- and if taken carelessly, you may get more serious health problems than you bargained for. With any illness, it is critical to address the underlying cause, whether it's bacterial or viral. Antibiotics w ill not kill cold or flu viruses.