Median Incubation period means:-: (A) Time taken for 50% cases to occur, (B) Time between primary case and secondary case, (C) Time between onset of infection and period of maximum infectivity, (D) Median of several incubation periods
Answer is A. Median incubation period - Time taken for 50% of cases to occur. Incubation period - Time interval b/w entry of organism into body till appearance of 1st signs & symptoms. Serial Interval - Time interval b/w primary & secondary case. Generation time - time interval between entry of organism into body till its maximum infectivity. Latent period - Time interval b/w onset of disease till its first detection. It is corresponding term to incubation period for non-communicable diseases.