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post-flu
post-flu adj.
Brit. 
/(ˌ)pəʊs(t)ˈfluː/
, /(ˌ)pəʊs(t)ˈfluː/U.S. /ˌpoʊs(t)ˈflu/
/ˌpoʊs(t)ˈflu/ΚΠ
1918 A. Huxley Let. 25 Nov. (1969) 171 The whiskey bottle seems the only refuge from that post-flu depression.
1971 P. D. James Shroud for Nightingale v. 163 She had post-flu depression and she felt she couldn't cope with the baby.
2004 Dallas Morning News (Nexis) 16 Nov. 1 e For each day you were in bed with the flu, your post-flu resistance is lower for three days.
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