Table 1 Characterization of the six transmission clusters identified in the main A1 cluster.

From: Characterization of a large cluster of HIV-1 A1 infections detected in Portugal and connected to several Western European countries

Cluster No of individuals Route of transmission (n) Sampling date Time of MRCA Cluster Depth Sample origin
Total Male Female Unknown Mean Range Mean 95% HPD
TC1 6 4 0 2 MSM (3), Heterosexual (1), Unknown (2) 2011.7 2003–2016 2002 2000.8–2002.9 14 Multicentera
TC2 5 3 2 0 MSM (1), Heterosexual (4) 2014 2011–2016 2007.5 2004.9–2009.8 8.5 Multicentera
TC3 6 6 0 0 MSM (4), Heterosexual (2) 2015.2 2011–2017 2007.3 2004.2–2010.0 9.6 Multicentera
TC4 6 6 0 0 MSM (6) 2016 2016–2016 2007.9 2005.0–2010.7 8.1 Multicentera
TC5 3 3 0 0 MSM (1), Heterosexual (2) 2014.7 2012–2016 2009.3 2006.9–2011.4 6.7 Multicentera
TC6 20 14 0 6 MSM (12), Heterosexual (2), Unknown (6) 2013.5 2006–2017 2001.2 1998.8–2003.2 15–8 Multicentera, Multinationalb
  1. aSamples from more than one of the 14 Portuguese hospital centers.
  2. bFrance, Portugal, Spain, and United Kingdom.