While I personally enjoy those kinds of features, for me it is more about the systems employed in actually making the games. As the longest running user of the RPG Maker software on our team (dating back to the untranslated RPG Maker 95 by ASCII Corporation), I have seen the series change a great deal over the years.
Good. There are six main types of disease causing agents or pathogens: prions, viruses, bacteria, protozoans, fungi, and macroparasites. These pathogens vary greatly in size and shape, and also in the type of diseases they cause in their host.
Types of Influenza Viruses. Language: There are four types of influenza viruses: A, B, C and D. 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 A virus to infect people can cause an influenza pandemic.