The vaccinated can still get infected. They can display no symptoms and easily spread the virus, especially to other vaccinated whose immune systems have also been weakened. The unvaccinated are the only ones who stand a chance of building herd immunity.

Only Pfizer and other mRNA vaccines (eg Moderna … Gates) will remain. I've said it since the beginning. AstraZeneca will be phased out. The Australian government has secured 85 million doses of Pfizer for 2022 and is currently looking at getting Moderna to bridge 2021…