Dec 25-26 The weird pneumonia with the opaque ground glass imaging on the lung X-rays shows up … Dec 31 the WHO is informed of possible infectious outbreak.
Jan 3 leader of China’s CDC confers with America’s head of CDC.
Jan 4-5 WHO makes public information of cluster of pneumonias in Wuhan
Jan 12 genetic sequence of the virus released
Jan 14 announce that human to human transmission might occur, but no evidence yet
Jan 21 announce that human to human transmission is now proven
By January 23 Congressional leaders have been briefed on possible pandemic and researchers at John Hopkins release paper describing a “fat-tailed” pandemic as imminent.