Viral Emergence
HIV particles are born by acquiring it's enveloped membrane from the cell from which it emerges
Dermatophytes
Many varieties of dermatophytes are common in skin infections
HPV
Human Papilloma Virus emerges en masse
Diplococci
Many human diseases are caused by cocci bacteria
Hepatitis B Virus
The detailed structure of HBV with immunoactive "hairpin" proteins
Hepatitis C
The life cycle of the hepatitis C virus