The world seems to be entering a new, deadly era of health threats from infectious diseases—old ones we thought we'd wiped out, and new ones on the rise. 🔴 How COVID opened a 'Pandora's Box' of monkeypox, polio and other diseases | ✍️ dhfreedman 🔗:
Bacterial infection remains a threat as well. Tuberculosis still kills over a million people a year globally, and death rates have been rising in recent years—partly because attention to the disease weakened during the pandemic, but also because more virulent, drug-resistant strains are spreading. Case rates remain relatively low in the U.S. The CDC registered a little more than 500 deaths from the disease in 2019.
If we are indeed becoming more vulnerable to infection, there may be several reasons. For one, anti-vaxxers and many others have let up on getting themselves and their children the vaccines that have long been a routine element of health care. For instance, nearly all adults raised in the U.S. are vaccinated against polio, but vaccination rates have been falling for children in many communities, especially during the pandemic.
Growing exposure to ticks alone is becoming a major source of infection. Nearly half a million new cases of Lyme disease are now turning up each year, and that's only one of a half-dozen serious infections that ticks can pass to humans. Birds, too, are becoming pools of potential zoonotic infections; one strain of bird flu alone has spread through 100 different bird species.
We may have another set of weapons at our disposal—many of which were developed decades ago. A growing number of researchers suspect that some or all of the classic pediatric vaccines that have long been given to children prevent polio, measles and other diseases may also work well as adult vaccines against a range of diseases—even against new ones. That's because these vaccines appear to bolster the immune system in a broad way.
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