The phrase "a decrease of the infection" is correct and usable in written English.
It can be used when discussing a reduction in the number or severity of infections in a medical or health-related context.
Example: "The new treatment has led to a significant decrease of the infection in patients."
Alternatives: "a reduction in the infection" or "a decline in the infection".
Moreover, high temperatures in the piglet nest during the first two weeks of life (occasionally >40°C) were associated with a decrease of the probability of an infection (IRR: 0.23-0.40).
In the field of infectious diseases, Pronovost et al. showed that introduction of a five-points checklist to reduce infections when inserting a central venous catheter, resulted in a decrease of the median rate of infections from 2.7 per 1,000 patients to zero after three months [ 11].
For combating the increase in resistant infections a decrease of the excess antibiotic use is paramount [ 18].
On the contrary, comparing the group O-87 with the group O-97, we found a significant decrease of the infection rate in 1997 (59.5% vs 49.2%, respectively, p = 0.039).
In addition, it has been reported that the current users of OCs were not in increased risk and that the past users of OCs seemed to be protected, as shown by a decrease of incident infections with the years of OC use [ 16].
The decreased CFUs recovered from ATG16L1Δ/Δ and ATG16L1300A/300A cell cultures could reflect a decreased frequency of the infection of these cells or altered numbers of Salmonella infections per cell.
Surveillance per se probably results in a decrease of nosocomial infections as is shown by the International Nosocomial Infection Control Consortium (INICC)[ 7].
A decrease of enzymatic activity upon the parasite infection, previously detected mostly in Old World vectors, was detected for the first time in the natural vector-parasite pair L. longipalpis-L.
In a defined surveillance area, data on children collected from parents, paediatric practices and hospitals indicated increasing acceptance of vaccination and a clear decrease of the burden of varicella infections and complications.
After implementing extensive on-admission PCR screening and pre-emptive contact isolation, a substantial decrease of MRSA infections was observed in the medical ICU but not in the surgical ICU.
