What's going on in the world?

I've read a few different theory's about the coronavirus covid-19, from a plague sent from God, to wipe out some of the worlds population making way for newer generations, to a leak in the germ warfare! And i thought to myself, it amazes me how a lot of people have to put a reason there instead of it just "being" or "happening"
Not everything has to have a reason. 
yes some things can happen for a reason, the universal law of cause and affect tells us that, for every effect there is a cause and vice versa. But some situations, things etc happen and we never know or find the actual cause or effect. Growth is one that can be caused by the effects of maybe learning, changing ways which then cause a growth to happen, but again sometimes we don't know how we've learnt or why but then we look back and realise what's happened. 
My thoughts on covid-19 are...when it first broke a majority of people focussed on it coming from China, people were thinking it was to do with food that was being eaten and they criticized the Chinese cuisine...it had to come from somewhere to get into food (if it started that way) but the majority weren't focused on that...then i heard it came from bats, landing on animals, then it seemed to go to fruit and veg and bugs and flies..by that time it had me thinking of the childhood song..the bird on the branch and the branch on the tree (the rattling bog) and i admit i was bemused by it all. Then thankfully people started then, thinking of how it was affecting us and what we could do to protect ourselves (i'm talking about the ordinary people, like you and me). Then the talk of what governments were doing wrong and what they should have done, and it made me realise how many people were listening to the scare tactics, the fear mongers, those who feel better themselves by causing fear and panic in others. It wasn't being done maliciously or on purpose, just a case of us all having our own minds and believing what we want to believe to help us handle situations. 
It made me realise isn't it wonderful that we do all have our own minds, own coping mechanisms and strategies and we all have the abilitiies to cope and get through situations that we can't see the end of.  So the law of cause and effect would apply, but it would just "happen"  as we can't always see the effect after a cause as we just fall into it and it becomes normal.
​Hope that makes sense!