. 2023 Oct 5;6(10):e1603. doi: 10.1002/hsr2.1603

Table 4.

Identified risk factors of transmission of mpox outbreak. ⁴ , ⁸ , ⁹ , ¹⁰ , ¹¹ , ¹² , ¹³ , ¹⁴ , ¹⁵ , ¹⁶ , ¹⁷ , ¹⁸ , ¹⁹ , ²⁰ , ²¹ , ²² , ²³ , ²⁴ , ²⁵ , ²⁶ , ²⁷ , ²⁸ , ²⁹ , ³⁰ , ³¹ , ³⁴ , ⁵⁰ , ⁵⁷ , ⁵⁸ , ⁵⁹ , ⁶⁰ , ⁶⁴ , ⁶⁵ , ⁶⁶ , ⁶⁷ , ⁶⁸ , ⁶⁹

Risk factors	References
Age	Numerous studies have documented that higher frequency of monkeypox virus infection in people of specific age groups. ⁴ , ⁸ , ⁹ , ¹¹ , ¹⁵ , ¹⁸ , ¹⁹ , ²⁰ , ²¹ , ²² , ²³ , ²⁵ , ²⁸ , ²⁹ , ³⁰ , ³¹
Sex	Most of the recent published studies found that men are the major group infected by monkeypox virus during 2022 outbreak. ⁴ , ⁸ , ⁹ , ¹¹ , ¹⁵ , ¹⁸ , ¹⁹ , ²⁰ , ²¹ , ²² , ²³ , ²⁵ , ²⁸ , ²⁹ , ³⁰ , ³¹
Ethnicity	People of diverse races were infected during this outbreak. However, white people were affected more in the beginning and with time the frequency of black people also increased. ⁴ , ⁸ , ⁹ , ¹¹ , ¹⁵ , ¹⁸ , ¹⁹ , ²⁰ , ²¹ , ²² , ²³ , ²⁵ , ²⁸ , ²⁹ , ³⁰ , ³¹
Zoonotic infection	Infection spreading from animals also contributed earlier in this outbreak. ³⁴ , ⁵⁰ , ⁵¹ , ⁵³ , ⁵⁴ , ⁵⁵ , ⁵⁶ , ⁵⁷ , ⁵⁸ , ⁵⁹ , ⁶⁰ , ⁶¹ , ⁶³ , ⁶⁴ , ⁶⁶ , ⁶⁷ , ⁶⁸ , ⁶⁹ Further, reports of human‐to‐animal transmission of monkeypox virus was documented. ⁶⁴ , ⁶⁶
Nosocomial infection	Number of nosocomial infections has been documented in United Kingdom, Spain, and Italy during the 2022 outbreak. ¹⁹ , ²¹ , ²³ , ²⁴ , ²⁵
Travelers	Travelers have significantly contributed to the spread of 2022‐mpox outbreak across the globe within short period of time. ¹⁹ , ²¹ , ²³ , ²⁴ , ²⁵
Human‐to‐human	Human‐to‐human transmission contributed to the majority of the cases in 2022 outbreak. ¹⁹ , ²¹ , ²³ , ²⁴ , ²⁵
Specific behaviors	Specific behaviors, including having homosexual and bisexual behaviors, were largely attributed to majority of the cases. ¹¹ , ¹³ , ¹⁵ , ¹⁹ , ²¹ , ²³ , ²⁴ , ²⁵ , ²⁷ , ²⁸
Pre‐existing health conditions	Different sexually transmitted diseases, including HIV, were found common among the cases. ¹¹ , ¹³ , ¹⁵ , ¹⁹ , ²¹ , ²³ , ²⁴ , ²⁵ , ²⁶ , ²⁷ , ²⁸ , ²⁹ , ³⁴ , ⁶⁴ , ⁶⁵ , ⁶⁶ , ⁶⁷ , ⁶⁸ , ⁶⁹