Editing Tuberculosis (section)

==== Close contact ====
Prolonged, frequent, or close contact with people who have active TB is a high high risk factor for becoming infected; this group includes health care workers and children where a family member is infected.<ref>{{Cite web |date=2024-12-10 |title=Clinical Overview of Latent Tuberculosis Infection |url=https://www.cdc.gov/tb/hcp/clinical-overview/latent-tuberculosis-infection.html |access-date=2025-03-19 |website=Centers for Disease Control and Prevention |language=en-us}}</ref><ref name="Ahmed_2011">{{cite journal |vauthors=Ahmed N, Hasnain SE |date=September 2011 |title=Molecular epidemiology of tuberculosis in India: moving forward with a systems biology approach |journal=Tuberculosis |volume=91 |issue=5 |pages=407–13 |doi=10.1016/j.tube.2011.03.006 |pmid=21514230}}</ref> Transmission is most likely to occur from only people with active TB – those with latent infection are not thought to be contagious.<ref name="Kumar-2007" /> Environmental risk factors which put a person at closer contact with infective droplets from a person infected with TB are overcrowding, poor ventilation, or close proximity to a potentially infective person.<ref name="Schmidt-2008">{{Cite journal |last=Schmidt |first=Charles W. |date=November 2008 |title=Linking TB and the Environment: An Overlooked Mitigation Strategy |journal=Environmental Health Perspectives |volume=116 |issue=11 |pages=A478–A485 |doi=10.1289/ehp.116-a478 |pmc=2592293 |pmid=19057686}}</ref><ref name="Narasimhan_2013">{{cite journal |vauthors=Narasimhan P, Wood J, Macintyre CR, Mathai D |date=2013 |title=Risk factors for tuberculosis |journal=Pulmonary Medicine |volume=2013 |page=828939 |doi=10.1155/2013/828939 |pmc=3583136 |pmid=23476764 |doi-access=free}}</ref>