The Delta Variant started in India in Dec 2020, long before either country had even a percentage of their population vaccinated, and according to the CDC is spread just as easily by people with or without the covid vaccines. It is also less lethal which is why most people never know they were carrying it. The only thing that the vaccine is buying you is better chance against severe symptoms or death.
The Delta coronavirus variant surging across the US appears to cause more severe illness and spread as easily as chickenpox, according to an internal CDC document.
www.cnn.com
But hey, at least you'll get lots of likes by spreading hate against people that are weighing their risks vs vaccines that 9 months and 100's of millions of doses later still do not have full FDA approval and still have their manufacturers protected from any liability.