"I know that in my job you are under threat all of the time," admitted Zola.
"I can only focus on the things that are under my control. This is not under my control and I'm not going to spend even a second thinking about it.
"I have a vital game in two days' time. Although it is not easy as you can imagine, I try to think about the things that I can make a difference in. I can't really spend too much energy on the other things."
The Hammers travel to Villa Park on Sunday without a senior striker after Guillermo Franco joined Carlton Cole, Luis Boa Morte and Kieron Dyer on the sidelines.
Zola had planned to meet the board last week to discuss the prospects of bringing in a new striker - but all transfer dealings are almost certainly on hold.
"We might be able to do something but obviously it might be difficult in this situation," he added.
"It is not easy but I am not going to complain. If I start thinking about how unlucky I am and complain about things I am not going to sort the situation out.
"If we get through we will be better players and managers. What can I do? I'm not going to bang my head against the wall because of that. I am going to fight."
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