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  • Group A Streptococci are a species of gram-positive bacteria responsible for causing a number of pyogenic (pus-producing) infections including impetigo, scarlet fever and pneumonia. Further fatal complications arising from infection include the development of meningitis and sepsis.
  • Group A Streptococci are a species of gram-positive bacteria responsible for causing a number of pyogenic (pus-producing) infections including impetigo, scarlet fever and pneumonia. Further fatal complications arising from infection include the development of meningitis and sepsis.
  • Grass seed covered in bacteria from infected dog's paw
  • The ecology of influenza A viruses
  • Group A Streptococci are a species of gram-positive bacteria responsible for causing a number of pyogenic (pus-producing) infections including impetigo, scarlet fever and pneumonia. Further fatal complications arising from infection include the development of meningitis and sepsis.
  • Schistosoma mansoni flatworm, male with female
  • Plasmodium ookinetes, malaria parasite life cycle, SEM
  • Leishmania mexicana parasite in the promastigote stage, SEM
  • HIV attachment, HIV viral life cycle, illustration
  • MRSA
  • Salmonella enterica
  • HIV maturation, HIV viral life cycle, illustration
  • HIV and antibodies, HIV viral life cycle, illustration