In the fourth installment of this series, we offer recent resources focusing on the implications of COVID-19 on TB prevention, diagnosis, and treatment.

Mitigating the impact of COVID-19 on tuberculosis and HIV services: A cross-sectional survey of 669 health professionals in 64 low and middle-income countries
PLoS ONE (February 2021)
Synthesizing information from frontline healthcare professionals can help identifying strategies to mitigate the disruption to healthcare services caused by COVID-19. This journal article shares findings from a cross-sectional study of TB and HIV professionals in low and middle-income countries.

Community-based TB testing as an essential part of TB recovery plans in the COVID-19 era
International Journal of Tuberculosis and Lung Disease (IJTLD) (February 2021)
A letter to the editor of the IJTLD discusses using community-based initiatives to improve access to TB testing and treatment during the COVID-19 pandemic.

Progress towards ending TB at risk
Development Policy Centre, Australian National University (January 2021)
This blog post summarizes the key trends and challenges outlined in recent World Health Organization (WHO) reports, and the impact and opportunities of COVID-19 on TB.

Tuberculosis and COVID-19 interaction: A review of biological, clinical and public health effects
Pulmonology (January 2021)
This review describes available evidence on the interaction between COVID-19 and TB, starting from differences and similarities and proceeding to describing immunological features, diagnostic implications, epidemiological and clinical characteristics, and public health implications.

Updated WHO Information Note: Ensuring continuity of TB services during the COVID-19 pandemic
WHO (December 2020)
An updated information note from WHO provides guidance on considerations for TB care during the COVID-19 pandemic.

TB research amidst the COVID-19 pandemic
IJTLD (November 2020)
This journal article discusses research challenges and opportunities for innovation as TB research and clinical care is adapted to restrictions imposed by the COVID-19 pandemic.

Implications of COVID-19 in high burden countries for HIV/TB: A systematic review of evidence
BMC Infectious Diseases (October 2020)
This article shares findings from a review of different studies on SARS-CoV, MERS-CoV, or COVID-19 associated with HIV/TB co-infection or only TB.