Alpha-Omega Outbreak (Earth-1: Pre-Crisis)

The Alpha-Omega Outbreak was the release of the lethal Alpha-Omega virus in Hong Kong.

History[edit | hide | hide all]

In 2009, the lethal Alpha-Omega virus was released in Hong Kong, resulting in the deaths of many.^[1]

Appearances
	Marathon	Seen on timeline graph

Events - Earth-1 (Pre-Crisis)
Arrow
Sabotage of the Queen's Gambit (2007) · A.R.G.U.S. Lian Yu Operation (unknown-2008) · Search for Mirakuru (2008-2009) · A.R.G.U.S. Hong Kong Operation (2009-2010) · Shadowspire Lian Yu Operation (2010-2011) · Undertaking (2012-2013) · Rise of the Church of Blood (2013-2014) · Deathstroke Vendetta (2013-2014) · League of Assassins Conflict (2015) · Genesis (2016) · Prometheus Murders (2016-2017) · Star City Gang War (2017-2019) · Emiko Adachi's Vendetta (2018-2019) · Oliver Queen's Tasks (2018-2019) · War Against Vigilantes (2040)
Constantine
Rising Darkness (2014)
The Flash
Particle Accelerator Explosion (2013) · Reverse-Flash's War (2000-2015) · Metapocalypse (2015-2016) · Conquering of the Speed Force (2016-2017) · Enlightenment (2018) · Metahuman Purge (2018-2019) · Reverse Time Hack (2019/2049) · Blood Brothers Reign of Terror (2019) · Godspeed War (2049; 2019)
Vixen
Totems of Zambesi Conflict (2015-2016)
DC's Legends of Tomorrow
Vandal Savage's Uprising (2015-2166) · Quest for the Spear of Destiny (2016-2017) · Liberation of Mallus (2017-2018) · Usurpation of Earth (2018-2019)
Crossovers
Dominator Invasion (2016) · Earth-X Invasion (2017) · Elseworlds (2018) · Crisis on Infinite Earths (2019) · Crisis (2024; erased timeline)