Patients thank blood donors for life-saving plasma Health Previous Article Common vaginal 'imbalance' may be an STI Next Article Scientists discover new part of the immune system Blood donated across England is being used to make immunoglobulin for the first time in 25 years....Read more https://www.bbc.com/news/articles/cwygx0k5px8o Previous Article Common vaginal 'imbalance' may be an STI Next Article Scientists discover new part of the immune system