If an ad costs $4,000 in a newspaper with a circulation of 100,000, your cost to reach 1,000 readers is $40, since 100,000 / 1,000 = 100 and $4,000 / 100 = $40. If a radio ad costs $250 and the station has 50,000 listeners, the CPM for that ad is $5.
You have probably heard of pneumonia, which is an infection of the lungs. Pneumonia can be caused by many different bacteria, viruses, and even fungi. Pneumococcus is one of the most common causes of severe pneumonia. Besides pneumonia, pneumococcus can cause other types of infections too, such as: Ear infections. Sinus infections.
There are three types of influenza viruses: A, B and C. Human influenza A and B viruses cause seasonal epidemics of disease almost every winter in the United States.The emergence of a new and very different influenza virus to infect people can cause an influenza pandemic.nfluenza type C infections cause a mild respiratory illness and are not thought to cause epidemics. Influenza A viruses are divided into subtypes based on two proteins on the surface of the virus: the hemagglutinin (H) and the neuraminidase (N).