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Articles by Katrine Wallace
Why do people still get polio in some countries and not in others?
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Katrine L. Wallace, University of Illinois Chicago (THE CONVERSATION) Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. Why are people still getting polio in some countries and in not others?
Why do people still get polio in some countries and not in others?
In 2025, all but two countries had eliminated cases of wild polio. Credit: The Conversation, CC-BY-ND On a busy street in Karachi, Pakistan, a health care worker kneels down so she's eye to eye with a toddler. She squeezes two drops of liquid onto the child's tongue. Then she takes out a purple marker and colors the child's pinkie fingernail so everyone can see that this toddler is now vaccinated against polio.
Why do people still get polio in some countries and not in others?
Polio can survive only where it finds kids who aren't protected by a vaccine.
Why do people still get polio in some countries and not in others?
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Why do people still get polio in some countries and not in others?
In Pakistan, where wild polio still has not been eliminated, health workers go door to door vaccinating young children. ARIF ALI/AFP via Getty Images Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to . The Conversation Katrine L. Wallace, Assistant Professor of Epidemiology and Biostatistics, University of Illinois Chicago Sign up to read this article Read news from 100's of titles, curated specifically for you.
Why do people still get polio in some countries and not in others?
Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. Why are people still getting polio in some countries and in not others? – Mia, age 9, Centennial, Colorado On a busy street in Karachi, Pakistan, a healthcare worker kneels down so she’s eye to eye with a toddler. She squeezes two drops of liquid onto the child’s tongue.
Why do people still get polio in some countries and not in others?
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Why do people still get polio in some countries and not in others?
Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. k3=@4<BF@E6mkAmkDEC@?8m(9J 2C6 A6@A=6 DE:== 86EE:?8 A@=:@ :? D@>6 4@F?EC:6D 2?5 :? ?@E @E96CDn – |:2[ 286 h[ r6?E6??:2=[ r@=@C25@k^DEC@?8mk^Amk^3=@4<BF@E6m k9C ^m kAm~? 2 3FDJ DEC66E :? z2C249:[ !2<:DE2?[ 2 962=E942C6 H@C<6C <?66=D 5@H? D@ D96’D 6J6 E@ 6J6 H:E9 2 E@55=6C] $96 DBF66K6D EH@ 5C@AD @7 =:BF:5 @?E@ E96 49:=5’D E@?8F6] %96?
Why do people still get polio in some countries and not in others?
Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. Originally published on theconversation.com, part of the BLOX Digital Content Exchange.
CDC vs. Pennsylvania: Why conflicting public health messages jeopardize public safety
If you’ve been following the dispute between Pennsylvania Gov. Josh Shapiro and Health and Human Services Secretary Robert F. Kennedy Jr., you probably know that it centers on the deaths of two infants in Lancaster County in late August 2026.
CDC vs. Pennsylvania: Why conflicting public health messages jeopardize public safety
If you’ve been following the dispute between Pennsylvania Gov. Josh Shapiro and Health and Human Services Secretary Robert F. Kennedy Jr., you probably know that it centers on the deaths of two infants in Lancaster County in late August 2026.
Viewpoint: Childhood deaths in dispute: Why the CDC vs Pennsylvania conflict over measles vaccines matters
If you’ve been following the dispute between Pennsylvania Gov. Josh Shapiro and Health and Human Services Secretary Robert F. Kennedy Jr., you probably know that it centers on the deaths of two infants in Lancaster County in late August 2026.
CDC vs. Pennsylvania: Why conflicting public health messages jeopardize public safety
This article is republished from The Conversation under a Creative Commons license. Read the original article. If you’ve been following the dispute between Pennsylvania Gov. Josh Shapiro and Health and Human Services Secretary Robert F. Kennedy Jr., you probably know that it centers on the deaths of two infants in Lancaster County in late August 2026.
CDC vs. Pennsylvania: Why Conflicting Public Health Messages Jeopardize Public Safety
If you’ve been following the dispute between Pennsylvania Gov. Josh Shapiro and Health and Human Services Secretary Robert F. Kennedy Jr., you probably know that it centers on the deaths of two infants in Lancaster County in late August 2026.
CDC vs. Pennsylvania: Why conflicting public health messages jeopardize public safety
And you may be aware that despite the county coroner's confirmation that one infant died due to measles, while the other's death was "measles-associated," the measles dashboard on the Centers for Disease Control and Prevention website counts neither death as of Sept. 10. MORE: The wait times at Pa. hospitals' emergency departments are among the longest in the country It's easy to dismiss the squabble as political posturing between public officials.
CDC vs. Pennsylvania: Why conflicting public health messages jeopardize public safety
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Katrine L. Wallace, University of Illinois Chicago (THE CONVERSATION) If you’ve been following the dispute between Pennsylvania Gov. Josh Shapiro and Health and Human Services Secretary Robert F. Kennedy Jr., you probably know that it centers on the deaths of two infants in Lancaster County in late August 2026.
CDC vs. Pennsylvania: Why conflicting public health messages jeopardize public safety
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) (THE CONVERSATION) If you’ve been following the dispute between Pennsylvania Gov. Josh Shapiro and Health and Human Services Secretary Robert F. Kennedy Jr., you probably know that it centers on the deaths of two infants in Lancaster County in late August 2026.
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