The development of live attenuated cold-
✍
Hunein F. Maassab; Martin L. Bryant
📂
Article
📅
1999
🏛
John Wiley and Sons
🌐
English
⚖ 103 KB
👁 1 views
A procedure to attenuate live influenza virus of type A and type B was developed using adaptation of the virus to grow at 25 degrees C (cold adaptation; ca). Through a series of stepwise passages, two stable mutants were obtained and designated as 'Master' strains, one for type A influenza virus (A/