COVID-19

Pulmonary tuberculosis

Pathogen

SARS-CoV-2

Mycobacterium tuberculosis

Transmission route

Respiratory droplets and contact transmission

Respiratory droplets transmission

Susceptible population

All age groups. older people and those with underlying diseases more severe, children less affected

Quinquagenarian and low immune function

Epidemiology history

The outbreak in the short term

Usually not an outbreak in the short term

Symptom

Acute onset, slight fever, dry cough, chest tightness, shortness of breath

Slow onset, slight fever, cough, night sweats, malaise,

Radiography

In the early stage, multiple small patchy shadows and stromal changes, mainly in the lung exudate, and then developing multiple ground glass shadows and infiltrating shadows in double lungs, and severe lung consolidation, with rare pleural effusion and cavity

Multisite, multiform, uneven density, voids, lumpy shadows, or (and) with pleural effusion

Blood routine

The white blood cell count: normal or decreased;

the lymphocyte count: normal or decreased

The white blood cell count: with normal limits; the lymphocyte count: increased

Diagnosis

Nasopharyngeal swab or sputum positive for the nucleic acid of SARS-CoV-2, or virus gene sequencing highly homologous to known SARS-CoV-2, or positive for antibody specific IgM and IgG of SARS-CoV-2

Positive sputum smears for acid-fast staining or (and) culture for mycobacterium tuberculosis of sputum

Therapy

No effective drugs

Effective anti-TB drugs