<s>[INST] People at High Risk for Pneumonia [/INST] Certain individuals are at high risk of developing severe pneumonia because of a weaker immune system. Adults aged 65 or older, very young children under the age of 5, people with chronic medical conditions and those with HIV/AIDS should be more vigilant and take extra precautionary measures when there is an outbreak of infectious respiratory diseases like influenza. Source: Health Hub SG. Link: https://www.healthhub.sg/a-z/diseases-and-conditions/topic_pneumonia. Field: Lung Disease. Disease: Pneumonia </s>