Yes, this is true, just like my last blog on cholesterol - low stomach acid is the cause of increased cases of COVID-19 and deaths, by extension.
As Mark Twain said, "It's easier to be fooled than to be convinced you have been fooled."
In our chronic disease support program, we started on gut health for a reason. It is the beginning, thus most important aspect, of immune health. Please take a look at the 7 functions of strong acid, which proton pump inhibitors and other antacids adversely impacts.
From the article in Medscape.
People who use proton pump inhibitors (PPIs) may be more likely to get COVID-19, researchers say.
In light of this finding, physicians should consider which patients truly need these powerful acid-lowering drugs, said Brennan Spiegel, MD, MSHS, professor of medicine and public health at Cedars Sinai Medical Center in Los Angeles, California.
"All it means is that we're going to have a conversation with our patients," he told Medscape Medical News. "We don't normally have that conversation because we don't live in an environment with a high risk of enteric infection. But now we're in a pandemic."