Zika virus:
With a rise in the number of Zika virus cases in Uttar Pradesh, doctors have advised that people should avoid all non-essential travel to areas reporting cases. Currently close to 90 persons, including 17 children, have tested positive for the virus from the State.
- According to information released by the World Health Organisation (WHO), a majority of those infected with Zika virus disease either remain asymptomatic (up to 80%) or show mild symptoms of fever, rash, conjunctivitis, body ache, joint pains.
- The Zika virus is predominantly transmitted by infected mosquitoes from the Aedes genus, mainly Aedes aegypti. The Aedes mosquitoes also spread dengue, chikungunya and yellow fever.
- The virus was first identified in Uganda in 1947 in monkeys.
- Apart from the mosquitoes, an infected person can also spread the virus.
- Generally, the symptoms include fever, rash, conjunctivitis, muscle and joint pain, malaise, or headache. It lasts for about two to seven days. Most infected people do not develop any symptoms.
- Zika virus infection during pregnancy can cause infants to be born with microcephaly (smaller than normal head size) and other congenital malformations, known as congenital Zika syndrome.
- It has no treatment or vaccine. Instead, the focus is on relieving symptoms and includes rest, rehydration and acetaminophen for fever and pain.