Tag Archives: Robert Waldmann

I have become addicted to Twitter. Among other things, I stopped posting here. Recently I posted a complaint about Chrome and messed up certificates (warnings that sites were not private because they had a dialog box pop up). Among other sites, this site had that problem with Chrome. I swore to never use Chrome again. I must confess that I broke that oath and am now using Chrome which allowed me to this site rather than blocking with a warning...

One non horrible effect of the Covid 19 epidemic is that people have become interested in immunology. I am pleased by this, but have the sense that journalists over-simplify. Roughly they act as if the immune system consists of circulating antibodies and killer t-cells. I think this post might be of some interest to some readers. First acquired immunity does indeed come in two types called cellular and humoral. That does refer to killer...