The CDC issued a travel notice July 4, alerting individuals of an active outbreak of a drug-resistant typhoid fever in Pakistan.
The U.K. reported three typhoid cases and the U.S. reported two cases linked to travelers returning from Pakistan in 2018.
Public health authorities in Pakistan are in the process of identifying typhoid fever cases, launching vaccination campaigns and introducing educational messaging about proper handwashing techniques and safe food and water practices.
The CDC's level 2 travel warning urges anyone traveling to Pakistan to get vaccinated against typhoid fever.
U.S. public health officials increased interviewing and testing efforts for individuals suspected to have the antibiotic-resistant typhoid fever.
More articles on clinical leadership and infection control:
Health officials underreporting disease epidemic in PR after Hurricane Maria
Man sues South Carolina hospital for allegedly leaving surgical glove inside him after surgery
Philadelphia hand surgeon: Severe fireworks injuries leave 'nothing left to fix'