The phrase "although only a mild" is correct and usable in written English.
It can be used to introduce a contrast or qualification regarding the intensity or severity of something, typically in a sentence discussing a condition or situation.
Example: "Although only a mild headache, it still affected her ability to concentrate on her work."
Alternatives: "even if just a slight" or "despite being somewhat mild".
Looking ahead, the central bank said it saw signs that the current recession would not deepen further, although only a mild recovery is expected.
The trolley tracks on Madison Avenue, although only a mild annoyance to the families who lived there, attracted trade, and after the turn of the century, shops began sneaking into the stolid brownstone rows.
In vivo, although MU showed only a mild inhibitory effect on the growth of the primary tumour, it markedly inhibited (75% reduction) the development of lung metastasis.
Although PCR suggests only a mild infection (ct-values between 23.2 and 37.6; ~ 10-10 parasample25 mg sample) in the chronic stage, SA 6 showed a similar pattern in IFAT as SA 20 and 22.
There is a body of evidence to suggest such transmission exists, although only to a mild to moderate degree, with estimates suggesting an average of 35 45% of parenting behaviour transmitted to the next generation.
Although the disease may cause only a mild illness in healthy people, it can be severe and even fatal in older people.
In contrast, although vps36 mosaics display no or only a mild non-autonomous proliferation phenotype, they are very strong suppressors of GMR-hid, comparable to vps25 mosaics (Fig. 8D).
41, 44– 46 Thus, in the Swiss HIV Cohort study (n = 1202), although TDF use was associated with only a mild to moderate decrease in eGFR, logistic multivariable regression analysis showed that TDF treatment in the absence of a concurrent protease inhibitor was associated with a 3.3-fold higher risk of proximal renal tubulopathy (P = 0.001).
Although this drug may increase BP, it is usually only a mild increase.
Although RNA abundance was still reduced by the mdx mutation, only a mild compensatory effect (∼10 15%) was observed with these constructs (data not shown).
Although the Scl+40kb element is active during haematopoietic emergence, its deletion causes only a mild erythroid phenotype (Ferreira et al., 2013).
