Virology, Emerging Diseases & vaccines

Deadliest Virus

• Zika has become one of the most worldwide spreading dangerous infection over the past decade because of its perpetual spread, initially in Asia-Pacific region, followed by its expeditious entry into the Western world. Zika virus was initially discovered in rhesus monkey in the forest of Uganda. But due to Unique genetic recombination in the genome of Zika virus has made the Zika infection more dangerous than the last one. Zika virus can be transmitted through both vector and non-vector means such as mosquito and sexual transmission. Eighty percent patient with Zika virus showed asymptomatic symptoms on the initial stage of disease onset but later symptoms can become severe.

• Rabies is a viral disease that causes acute inflammation of the brain in humans and other warm-blooded animals. Rabies is transmitted to humans from other animals. Rabies can be transmitted when an infected animal scratches or bites another animal or human. Saliva from an infected animal can also transmit rabies if the saliva comes into contact with a mucous membrane of another animal or human. Most rabies cases in humans are the result of dog bites.

• Dengue is transmitted by the bite of a mosquito infected with one of the four dengue virus serotypes. It is a febrile illness that affects infants, young children and adults with symptoms appearing 3-14 days after the infective bite.Dengue fever is a mosquito-borne disease that occurs in tropical and subtropical areas of the world. Mild dengue fever causes high fever, rash, and muscle and joint pain. A severe form of dengue fever, also called dengue hemorrhagic fever, can cause severe bleeding, a sudden drop in blood pressure (shock) and death.

<li style="&quot;text-align:" justify;"=""> Influenza is commonly called as flu. It is caused by virus. Influenza starts with common cold. Avian influenza is the disease caused by birds. In general humans are not affected with this flu. However, people who are in direct contact with influenza affected poultry may develop the disease. Flu virus attacks the respiratory system of humans. Body pains, headaches, cough, high fever are some of the symptom of flu. This is a contagious disease which spread easily through air and water as means. Treatment involves medication with antiviral drugs helps in curing the lethal condition.