

Publication Date: May 21, 2025
Nobody’s safe when the inner beast awakens.
Dr. Peter Palma joins the medical team of the Paradise to treat passengers for minor ailments as the cruise ship sails across the Atlantic. But something foul is festering under the veneer of leisure. The brig fills with felons, the morgue with bodies, and the vacation becomes a nightmare.
Peter and his staff face a vile affliction that pits loved ones against each other and shatters the bonds of civil society.
With the ship hurtling towards an unprepared New York, only Peter can neutralize the threat, but he’s hallucinating and delirious.
And sometimes primal urges are impossible to resist.



Dr. Peter Palma is counting on a stint with a cruise ship to help him recover from a personal tragedy. He never expected it to turn into a nightmare.
Author Kevin Hwang delivers a high-stakes medical thriller in The Regression Strain. A mysterious illness spreads through the ship, wreaking havoc in its wake.
As the ship heads toward New York, it’s up to Peter to figure out what is happening while dodging passengers and crew members stricken with unbridled rage and other uncontrollable emotions. Meanwhile, he has his own personal issues he’s trying to overcome.
From a medical perspective, this scenario is a nightmare of epic proportions. Not only is the ship a floating cesspool of germs, but Peter has few available resources. The author skillfully brings the horrifying aspects to life as the clock starts to run down.
The Regression Strain just might make you skip that relaxing cruise.

Kevin O. Hwang, MD, is a professor of internal medicine at McGovern Medical School at UTHealth Houston where he sees patients and teaches residents. His academic work has appeared in leading medical journals. Nothing excites him more than chicken enchiladas, index cards, and appropriately sized packaging. The Regression Strain is his debut novel.

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Thanks for taking the time to read and review The Regression Strain! — Kevin Hwang (author)
I never did want to go on a cruise but this just confirms it! LOL
Thanks for the great review.