TEMPO.CO, London – Different epidemic waves are brought about by different variants of SARS-CoV-2. The major sources of these variants can travel cross border and exist in animal reservoirs, an article has said.
The article published this week on News Medical, an open-access medical and life science hub, showed a bell-shaped curve, which is typical of a seasonal viral respiratory infection, was observed in Asia. Comparatively, the bell-shaped curve recorded in Western countries experienced one or two peaks.
Citing a recent study published in the pre-print server medRxiv, the article revealed role of globalization and zoonosis in the emergence and spread of SARS-CoV-2 variants.
The results of the current study indicate that countries that are isolated either geographically or politically faced only one epidemic episode and thus had a single bell-shaped curve. Whereas in Europe and the United States, several epidemics were found to…