India: why it is so different today, near 90% likely naturally immune/antibodies, one of least vaccinated nations, uses early & prophylaxis drugs; why does Portugal and Israel graph look so different?

Largely unvaccinated nation like India, relative to nations like Canada, US, Israel, Portugal etc. uses early treatment ivermectin, hydroxychloroquine, anti-virals etc., flatlined on infections/death

SOURCE:

India had near 70% antibodies in July 2021…by now it is likely 100%

Two-thirds of Indians have coronavirus antibodies, survey shows

India is one of the least vaccinated nations globally yet why is its graph today, different from among the world’s highest vaccinated nations?

Portugal vs India vs Israel:

We know that India used early treatment and chemo-prophylaxis (prevention)