Upper respiratory vs. lower respiratory tract infection: Which COVID-19 variant affects what and how serious can it get - Times of India

In just over two years, multiple SARs-COV-2 variants have emerged, affecting our lives in the most grievous ways. We have battled three coronavirus waves and are still recovering from the impact of the most recent Omicron variant.

Our respiratory system is divided into two main parts: Upper and lower respiratory systems. The upper respiratory tract consists of the nose, nasal cavity and the pharynx, whereas the lower respirato… [+733 chars]

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