Much of the anti-doping by the Athletics Integrity Unit and the World Anti-Doping Agency has been to do with Russia and Kenya. They are not the only countries with doping issues. India, despite the fact they produce few medals at Olympic Games and World Championship events dope as per the article below from Inside the Games
From Inside the Games
The now-suspended New Delhi laboratory recorded by far the highest proportion of positive tests among the 30 laboratories for which statistics are given in the WADA’s newly-published anti-doping testing figures report for 2019.
A breakdown in the report shows that of 4,228 samples analysed by the New Delhi facility, excluding Athlete Biological Passport (ABP)-related readings, 195 yielded adverse analytical findings (AAFs), or positive tests.
This is equivalent to 4.61 per cent.
The figures cover samples analysed by accredited laboratories and reported in the Anti-Doping Administration and Management System (ADAMS).
The next-highest rate on the 2019 list came from Bloemfontein in South Africa, with 2.66 per cent while most laboratories had rates of below 1.5 per cent.
A separate table indicates that New Delhi was responsible for a total of 378 AAF findings.
This was over 100 more than any other laboratory on the list, even though only six laboratories analysed fewer samples.