Vaccination against influenza reduces the risk of a first heart attack by around 20%; however, vaccination with the pneumococcal vaccine does not affect the risk of myocardial infarction.
The use of a quadrivalent vaccine against types 6, 11, 16 and 18 of the human papillomavirus in young women leads to a significant decrease in the overall frequency of development of lesions in the anogenital region with these types of virus and lesions of the cervix.
A close relationship has been established between passive smoking and the occurrence of invasive meningococcal infections in children.
Performing an early appendectomy in children with a diagnosis of "perforated appendicitis" can significantly reduce the time it takes for the patient to resume daily activities and is accompanied by fewer adverse events.
Topical application of 15% azelaic acid gel in combination with oral doxycycline and azelaic acid monotherapy as supportive therapy is effective and safe in the treatment of moderate to severe papulopustular forms of rosacea.
Doctors at a large non-profit clinic providing medical care to sexual minorities have used prolonged penicillins for the treatment of syphilis, which are not recommended for this purpose.