HLTB21H3 Lecture Notes - Lecture 10: Hemagglutinin, Headache, Reverse Transcriptase
Document Summary
Hippocrates: first record of an influenza pandemic in the year 412 b. c. Three main pandemics of influenza existed in the 16th, 18th, and 19th century: about 30 pandemics have occurred since the 1500s, occurs about three times in a decade, roughly. Since 1580, there have been thirty-one additional flu pandemics recorded. Affected the younger population more than the older population, which is bizarre compared to other flues. Cities like boston had prevention such as mouth masks to prevent the spread of the spanish flu. In some cases were fined if you didn"t: until 1940s-1950s, not much was known about the cause of influenza. H1n1 strain connected to swine flu. Fever, chills, headache, weakness and fatigue as well as coughing, sneezing, runny nose (coryza) Residual cough and tiredness lasts up to 6 weeks. Complications can include ear infections, pneumonia, dehydration and death. Figure 1: differentiation between influenza flu and the common cold.