I’m not too sure but I believe it’s caves
Developing countries might be more vulnerable to modern pandemics because they are poor and underdeveloped, this can lead to:
1) fewer supplies of medicines and vaccines
2) poor healthcare system
3) underdeveloped hospitals
4) Inadequate scientific programs to research the pandemics
5) poor living conditions helps spread disease quicker
6) A less educated population could be underinformed about the pandemic
The president can veto a bill. However, the congress can override that veto only by two-thirds vote from both the senate and the House of Representatives. If that ever happens, it becomes a law over the President’s objections.