Before he received the Covid vaccine in August 2021, David Becerra, then 56, lived a full and rewarding life as a retiree who loved to spend time running around after his infant grandson.
But a little less than a week after the shot, he became unsteady on his feet.
And within a few months, he’d lost the ability to walk longer than a few blocks without needing a break. At one point, he began coughing up blood.
Subsequent tests revealed