Identification of pathogenic bacteria, identification of aerobic and anaerobic pathogenic pathogenic bacteria and testing of their susceptibility to antibiotics are performed by different samples: respiratory mucosa swabs, saliva, urine, stool, blood, wound swabs and skin, genital, etc.
Bacteriological analysis of feces
Bacteria from the genera Salmonella, Shigella, Yersinia, and Campylobacter are the most common causes of bacterial intestinal infections, which occur by ingesting contaminated food (mainly of animal origin) and water.
These diseases, which occur mainly during the summer, can be accompanied by symptoms: fever, severe diarrhea, vomiting, fluid loss, and electrolyte disturbances.
Microbiological analysis of feces determines the presence of these bacteria and examines their sensitivity to antibiotics. However, since antibiotic therapy may affect the prolonged secretion of certain bacteria, antibiotics should only be used on the advice of a physician.
Bacteriological analysis of the genital tract
Chlamydia, mycoplasma, and ureaplasma are the most common causes of sexually transmitted diseases that cause chronic diseases of the genitals, often accompanied by infertility.
Various methods (DIF for chlamydia, commercial tests for M. Hominis and U. urealyticum) determine their presence in cervical and urethral tampons (and urine in men), and antibiotic resistance is also examined for mycoplasmas and ureaplasmas.
Beta hemolytic group Beta streptococcus (GBS, Streptococcus agalactiae) is often part of the normal flora of the female genitals and gastrointestinal tract, but in pregnancy can cause infections in both pregnant women and newborns.
The infection is most often transmitted to babies during birth, and can clinically manifest as early disease (up to the 6th day after birth) or late (7-90 days after birth). The infection of the baby can be localized, but it can also be systemic, with a very severe clinical picture.
It is estimated that about 25% of pregnant women have group B beta-hemolytic streptococci in the vagina and/or rectum, so to prevent infection of the baby, prenatal screening between 35 and 37 weeks of gestation is recommended.
GBS analysis has a higher sensitivity than standard bacteriological analysis of vaginal swab, and the result is obtained in 72 hours.
After the cessation of the symptoms of the disease, the bacteria can continue to be excreted through the feces for a shorter or longer period (germination). These patients, before joining the collective or working with food, must have three consecutive negative co-cultures.
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