Complex sentence: For example, the bacteriophage PRD1, Paramecium bursaria Chlorella algal virus, and mammalian adenovirus have been placed in the same family.It is this capsid or protein shell which makes protective vaccines a possibility.
Split into simpler sentences: For example, the bacteriophage PRD1, Paramecium bursaria Chlorella algal virus, and mammalian adenovirus have been placed in the same family. Khayat et al.It is this capsid or protein shell which makes protective vaccines a possibility.