Streptococcus pneumoniae (Klein) Chester (ATCC® BAA-475)

Strain Designations: CDC-DS-317-79  /  Type Strain: no  /  Biosafety Level: 2

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Strain Designations CDC-DS-317-79
Respiratory research
Clinical specimen - human
Johannesburg South Africa
isolation date: 1977
Biosafety Level 2

Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.

Antigenic Properties Type 19A
Product Format freeze-dried
Preceptrol® no
Type Strain no
Antigenic Properties Type 19A
Antibiotic Resistance
Multi-drug resistant
Cdc uses this multi-resistant strain as a quality control organism for MIC determinations.
Medium ATCC® Medium 260: Trypticase soy agar/broth with defibrinated sheep blood
Growth Conditions
Atmosphere: air, 95%; carbon dioxide (CO2), 5%
Temperature: 37.0°C
Name of Depositor CDC, HJ Koornhof
Special Collection NCRR Contract
Chain of Custody
ATCC <<--CDC, HJ Koornhof<<--R.R. Facklam <<-- J. Ward <<-- H.J. Koornhof
Clinical specimen - human
Johannesburg South Africa
isolation date: 1977
Year of Origin 1977

Koornhof HJ, et al. Follow-up on Multiple-Antibiotic-Resistant Pneumococci - South Africa. Morb. Mortal. Wkly. Rep. 27: 1-2 and 7, 1978.

Notice: Necessary PermitsPermits

These permits may be required for shipping this product:

  • Customers located in the state of Hawaii will need to contact the Hawaii Department of Agriculture to determine if an Import Permit is required. A copy of the permit or documentation that a permit is not required must be sent to ATCC in advance of shipment.
Basic Documentation