• Pathogen à
Ø Streptococcus pneumoniae Bacteria
Ø Haemophilus influenzae bacteria.
• Infected organ: Alveoli of lungs.
• Alveoli of lungs get filled with fluid leading to severe problem in respiration.
Ø fever, chill, cough and headache.
Ø In severe cases lip and finger nails may turn grey to bluish colour.
Ø By inhaling the droplet/aerosol à released by an infected person
Ø by using infected utensils.
• Causative agent
RHINOVIRUS (75%) ;
CORONA VIRUS (25%)
• Upper Respiratory tract infection à
Ø infects the nose and respiratory passage but not the lungs.
Ø usually lasts for 3-7 days
Ø nasal congestion and discharge, sore throat, hoarseness, cough ,headache and tiredness.
• Infection spread through by contaminated droplets and objects.