Melting Arctic Ice may be causing a deadly virus to spread in marine animals

According to a study, re is a rise in number of dely viruses among sea animals around Arctic which include seals, otters and sea lions mainly due to several changes in climate. 

Appearance of PDV virus 

According to study published, it was determined that phocine distemper virus (PDV) was a common virus found in rrn Atlantic ocean for several deces but due to constant melting of ice owing to global warming, virus has started to appear among marine mammals present in Pacific Ocean as well. 

Global warming les to melting of ice

study was conducted by scientists for 15 years during which y tracked various animals using satellite and discovered that PDV which is responsible for killing some of species was commonly observed when Arctic ice started to melt and was easily detectable among mammals who w can freely move from Atlantic to Pacific regions. continuous melting of ice due to rising temperatures have paved way for aquatic animals to disperse from one place to ar. Earlier, due to presence of ice, many sea lanes were blocked and were impassable. 

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Melting of Arctic ice led to transmission of virus

According to IPCC report that was published in month of September, se ice changes that have occurred in September are likely “unprecedented for at least 1,000 years”. research showed that about 30% of population of Steller sea lions were reported infected with viral diseases which were earlier only confined to Arctic region. According to reports, PDV did t escalate in Pacific region until 2009. author of study told international media that, melting sea ice is paving way for marine wildlife to seek and inhabit new habitats and remove  physical barriers. Due to present condition, when animals come in contact with new species, chances of introduction to new diseases and transmission of new viruses increase.  When an organism is infected by PDV, it produces symptoms like fever, laboured breathing, and attacks on nervous system. 

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