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Charles Horton, M.D.

Charles is WORLD's medical correspondent. He is a World Journalism Institute graduate and a physician. Charles resides near Pittsburgh with his wife and four children.

Articles by Charles Horton, M.D.
Will we ever reach herd immunity?

Will we ever reach herd immunity?

More contagious variants of COVID-19 may push herd immunity out of reach, but vaccines remove the virus’s sting

Examining the questionable claims of an alternative medical organization

The political organization rose to prominence on its criticism of the COVID-19 vaccine

COVID-year medical research wasn’t as sluggish as it seemed, but some changes could have improved its effectiveness


Addressing concerns about mRNA vaccines, adverse reactions, and viral mutations

Vaccines are getting all the attention, but recovered COVID patients are also helping win the battle against COVID-19

Questions and answers on vaccines, cookouts, masking, and a slow return to normal after the coronavirus pandemic

COVID-19 has been a nightmare, but the pandemic has also resulted in a reduced flu season, expanded telemedicine, and the growth of RNA-based vaccines

New research suggests that, for many patients, an asthma medication could promote COVID-19 recovery
Could ivermectin be effective against the coronavirus?