Subject: Science and technology.
√Avian Influenza has been reported from the following States (at 12 epicentre): (1) Rajasthan(crow); (2) Madhya Pradesh(crow); (3) Himachal Pradesh (migratory birds); (4) Kerala (poultry-duck)
√Caused by: Avian (bird) influenza (flu) Type A viruses.
√These viruses occur naturally among wild aquatic birds worldwide and can infect domestic poultry and other bird and animal species.
√Avian flu viruses do not normally infect humans.
√Avian Influenza (AI) viruses have been circulating worldwide for centuries with four known major outbreaks recorded in the last century.
√India notified the first outbreak of avian influenza in 2006.
√Infection in humans is not yet reported in India though the disease is zoonotic.
√There is no direct evidence that AI viruses can be transmitted to humans via the consumption of contaminated poultry products.
√In India, the disease spreads mainly by migratory birds coming into India during winter months i.e. from September – October to February – March.
√The secondary spread by human handling (through fomites) may also be possible.
? focus area for prelims 2021:
AI is caused by and it’s characteristics