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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.