Kowsar Jundishapur J Microbiol 2008-4161 14 1 2021 4 27 10.5812/jjm.113874 Azithromycin Treatment for SARS-CoV-2-related COVID-19 Pandemic Could Worsen Extensively Drug Resistant (XDR) Typhoid: A Risk of Losing the Last Bullet Against <i>Salmonella enterica</i> Serovar <i>Typhi</i> Umar Saeed Islamabad Diagnostic Center, Islamabad, Pakistan Sara Rizwan Uppal Islamabad Diagnostic Center, Islamabad, Pakistan Zahra Zahid Piracha Islamabad Diagnostic Center, Islamabad, Pakistan Rizwan Uppal Islamabad Diagnostic Center, Islamabad, Pakistan Letter 2021 4 18 2021 2 17 2021 4 27 2021 01 31 https://sites.kowsarpub.com/jjm/articles/113874.html https://jjm.kowsarpub.com/cdn/dl/9ef15cb2-a71c-11eb-957e-ab7d9fff3cc5 COVID-19 SARS-CoV-2 Extensively Drug Resistant (XDR) Typhoid <i>Salmonella enterica</i> Serovar <i>Typhi</i>