Is half of the people in Guangzhou positive?

No. According to relevant public information, the proportion of Yang in Guangzhou is 47%. Guangzhou is the capital of Guangdong Province, a national central city, a megacity, and the seat of the Southern Theater Command. Guangzhou is an international metropolis, an international business center, an international comprehensive transportation hub, a national comprehensive gateway city, and a national historical and cultural city determined by the State Council.