But not 'as' effective, which suggest it will still lead to an increase in serious cases.
There's also the risk that as these more potent viruses mutate, wider circulation renders the mutations more dangerous.
Having said that, the next batch of vaccines should also negate the first point and make them more effective against the dominant strains.
If that happens , we have other problems than a holiday. I think , another 3 or 4 months and we will have a idea if october is possible or not. I think it will be possible.