The survey also found that those with blood group #39;O #39; may be less susceptible to the infection, while people with #39;B #39; and #39;AB #39; blood groups were at a higher risk.
The survey also found that those with blood group #39;O #39; may be less susceptible to the infection, while people with #39;B #39; and #39;AB #39; blood groups were at a higher risk.
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