Shigeru Morikawa

Title: Shigeru Morikawa: Innovator in Vaccine Development

Introduction

Shigeru Morikawa is a notable inventor based in Musashimurayama, Japan. He has made significant contributions to the field of vaccine development, particularly in the preparation of live smallpox vaccines. His innovative approach aims to enhance the safety and efficacy of vaccines.

Latest Patents

Morikawa holds a patent for a process for preparing a live smallpox vaccine. This patent describes a safer live smallpox vaccine that contains a lowered content of revertants. The process involves inoculating a master seed solution of an attenuated vaccinia virus into multiple containers of rabbit kidney cells and incubating them. It further includes inoculating a portion of the cultured solution to RK-13 cells and Vero E6 cells to select containers that yield a cultured solution forming plaques in RK-13 cells but not in Vero E6 cells. The final step involves preparing a drug substance of the vaccine using the cultured solution.

Career Highlights

Throughout his career, Morikawa has worked with esteemed organizations such as the Chemo-Sero-Therapeutic Research Institute and the National Institute of Infectious Diseases. His work has been pivotal in advancing vaccine technology and public health.

Collaborations

Morikawa has collaborated with notable colleagues, including Kunio Ohkuma and Masahiko Kuranaga. These partnerships have contributed to the success of his research and innovations in vaccine development.

Conclusion

Shigeru Morikawa's contributions to vaccine development, particularly through his patented process for preparing a safer live smallpox vaccine, highlight his role as an innovator in the field. His work continues to impact public health positively.