The World Health Organization is expected to announce that wild polio virus Type 3 has been eradicated. Type 2 has been gone since 1999 – but more work is needed
Source:
https://www.newscientist.com/article/2221113-vaccines-have-helped-us-eradicate-another-strain-of-wild-polio-virus/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home