You know the virus can live outside of the human host for many days. It can survive up to temperature 60 degree in Celsius. Summer heat will not kill it. It will suppress world economy for many months until it burn itself out.
You are just cherry-picking. Don't blame China.
What about the Australia virus started last year 2019? It has probably killed 70,000 people by now.
What about the the Swine Virus started in 2008? It has killed at least one million people. They all started from the West. Not to mention there...