Which sex is most vulnerable to Coronavirus?

As per the latest research, the males are more vulnerable to deadly Coronavirus as compared to females. The death rate is 4.7 percent per 100 males wheres it is 2.8 percent in females. 
On the other hand, the elderly are most vulnerable to he disease. Until now, the people who are 80 and above have a death rate of 14.8 percent per 100 whereas those in the age group of 70 to 79 have death rate of 8 percent per 100 people