A Biohacker Gets a Wake-Up Call

Here’s the latest news from the global pandemic.

When Josiah Zayner decided to try his hand at making his own DIY Covid-19 vaccine, he assumed the process would be relatively simple. He would hire a DNA-synthesis company to replicate a vaccine that had worked in monkeys, inject himself with it, and then see if his body produced the neutralizing antibodies that indicate he had developed immunity.