You either are very trusting or just lying to protect Big Pharma.
The contaminated blood scandal
In the 1970s and 1980s about 6,000 people with haemophilia and other bleeding disorders were treated with contaminated clotting factors containing HIV and hepatitis viruses. Some of those unintentionally infected their partners, often because they were unaware of their own infection. Since then more than 3,000 people have died. Around 1,250 people were infected with HIV, including 380 children. Less than 250 are still alive.
https://haemophilia.org.uk/public-inquiry/the-infected-blood-inquiry/the-contaminated-blood-scandal/
I don’t have a problem with someone wanting a known blood supply.
But if ‘known supply’ doesn’t match type - and you’re desperate - I don’t think you’re going to worry about ‘spike proteins’.
How long ago was 1980?