A cyclical trend describes disease fluctuations that recur over periods longer than ordinary seasonal cycles. When disease occurrence rises at intervals of several years, such as the pattern described for influenza pandemics in this question, the distribution is classified as a cyclical trend.
Influenza pandemic occurs after 7 - 10 years. This kind of disease distributions in time is known as?
Review the verified answer and explanation for this SPSC – Sindh Public Service Commission past-paper question on CampusFin.
Question context
This question is part of 🦠 Microbiology within the broader 🧬 Medical Science subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.