2 doctors weighed in:
How many polio vaccines are produce worldwide and who produces them now?
2 doctors weighed in

Dr. Yash Khanna
Family Medicine
1 doctor agrees
In brief: How many polio vacci
There are only two types of polio vaccines.
The oral vaccine which is a live virus vaccine, and not used in us as it can rarely cause paralytic polio.Its use was abandoned few years ago. The other is the injectable madu from killed virus and is used i us as it does not cause paralytic polio.

In brief: How many polio vacci
There are only two types of polio vaccines.
The oral vaccine which is a live virus vaccine, and not used in us as it can rarely cause paralytic polio.Its use was abandoned few years ago. The other is the injectable madu from killed virus and is used i us as it does not cause paralytic polio.
Dr. Yash Khanna
Dr. Yash Khanna
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