Pertussis is an acute infection of the respiratory tract caused by Bordetella pertussis. The word pertussis means “violent cough,” which aptly describes the most consistent and prominent feature of the illness. The inspiratory sound made at the end of an episode of paroxysmal coughing gives rise to the common name for the illness, “whooping cough.


Diphtheria is a nasopharyngeal and skin infection caused by Corynebacterium diphtheriae. Toxigenic strains of C. diphtheriae produce a protein toxin that causes systemic toxicity, myocarditis, and polyneuropathy. The toxin is associated with the formation of pseudomembranes in the pharynx during respiratory diphtheria Mode of transmission The secretions and discharges from infected person or carrier are


Polycythemia vera is a type of blood cancer. It causes your bone marrow to make too many red blood cells. These excess cells thicken your blood, slowing its flow, which may cause serious problems, such as blood clots. PV is a clonal hematopoietic stem cell disorder in which phenotypically normal red cells, granulocytes, and platelets


Tetanus is an acute disease manifested by skeletal muscle spasm and autonomic nervous system disturbance. It is caused by a powerful neurotoxin produced by the bacterium Clostridium tetani Causes C. tetani is an anaerobic, gram-positive, spore-forming rod whose spores are highly resilient and can survive readily in the environment throughout the world. Spores resist boiling


Cellulitis is inflammation, usually infective, of subcutaneous tissue Cellulitis is a common, potentially serious bacterial skin infection. The affected skin appears swollen and red and is typically painful and warm to the touch.Cellulitis usually affects the skin on the lower legs, but it can occur in the face, arms and other areas. Causes Cellulitis occurs

Vaginal fungal infection(candidiasis)

This infection is most commonly caused by Candida albicans, which can be found in the vaginas of asymptomatic patients and is a commensal of the mouth, rectum, and vagina. Risk factors Warmer climates Obese patients Immunosuppression Diabetes mellitus Pregnancy Recent broad-spectrum antibiotic use Oral-genital sex Oral contraceptives or hormone therapy Oral sex Douching Cigarette smoking


Hypertension &  Prevention Blood pressure is the force of blood against the artery walls. It is expressed as systolic and diastolic pressures. Both numbers must be maintained within normal values. Normal reading=120/80mmhg(+or-10) Chronic elevation in bp (systolic ≥140 mmHg or diastolic ≥90 mmHg is called Hypertension  Causes of hypertension Stress Depression Anxiety disorder Mood disorder


CORONAVIRUS Coronaviruses are pleomorphic, single-stranded RNA viruses. Human coronaviruses were known to cause disease: 229E (HCoV-229E) and OC43 (HCoV-OC43).The virus is now known as the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The disease it causes is called coronavirus disease 2019 (COVID-19). COVID-19  symptoms are usually mild and begin gradually. Some people become infected but