Japan is #5 in the world for most vaccine doses administered, currently standing at 186 million shots given fully vaccinating 70.4% of their population. For reference, Israel is only 63.2% vaccinated.

Only 2 US states are more vaccinated than Japan at the moment.

They also didn't "end their nationwide vax drive", they just discarded that lot of vaccines... they are still using others.

Also they guy who said they should use Ivermectin was not a government official, he was the chairmen of a private medical association.