There have been many large studies in other countries, including Japan, Australia, and India. For some reason, the CDC and AMA choose to ignore them.
There have been studies in various countries. They were all had significant flaws. Some showed some positive effect, some showed no effect. One showed slight negative effect.
When did Japan complete this large study? Do you have a link to share with us? I would love to see it, honestly, and very interested. Maybe it was completed and results published since November?
Japanese Health Minister Norihisa Tamura told a committee of the country’s lower house of parliament in August 2021 that more evidence needed to show the drug was effective in order for it to be prescribed for Covid-19.
Link: https://factcheck.afp.com/http%253A%252F%252Fdoc.afp.com%252F9R94PR-1
The official guidance for doctors from the Japanese Ministry of Health states that “compared to standard treatment and placebo, ivermectin did not reduce deaths, shorten the hospitalization period and improve time of virus disappearance.”
Japan’s Health Minister Norihisa Tamura said that it is necessary to wait for the proof of the effectiveness of the drug before making any change to the guidance.
Link: https://factcheck.afp.com/http%253A%252F%252Fdoc.afp.com%252F9M48JR-1