Disease Prevention Current Affairs - 2020

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DBT and NII study: Transmission of chicken pox virus during pregnancy to child

The study of DBT and NII have found that women having chickenpox infection may transmit their infection to babies during their pregnancy. This stimulates babies’ immunity and protects them. A person being infected by the virus and treated gains immunity lifelong. This immunity is transferred to babies during pregnancy. Also, if a mother was vaccinated in her childhood, she is said to be immune to the disease. Research says that this immunity is transferred to the child as well.

Highlights of the study

The researchers of National Institute of Immunology (NII) and Department of Biotechnology (DBT) found that the transfer of viral DNA from mother to child during their pregnancy is long lasting. Currently, it is understood that mothers transfer several antibodies to babies that lasts for 12 to 15 months. However, the new study says that this scenario is different in case of chickenpox. The study also showed that reactivation of chickenpox can be induced by stress of pregnancy.

Chicken Pox

It is a highly contagious disease caused by Varicella Zoster Virus. According to WHO, around 140 million people are affected by the disease all over the world annually. In developed countries, incidence of the disease is 16 cases per 1000 people. Out of these, 90% of the cases are reported in children.

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Intensified Mission Indra Dhanush 2.0 begins

Government has launched its flagship scheme ‘Intensified Mission Indradhanush 2.0’ to focus on full immunization coverage of 272 districts spread over 27 states and 652 blocks of Uttar Pradesh and Bihar among hard-to-reach and tribal populations. The Mission Indradhanush 2.0 will be carried out between December 2019 and March 2020.

Mission Indradhanush 2.0

Objective: To prevent 8 diseases under mission as well as to escalate efforts to achieve goal of attaining 90% national immunization coverage across India.

Salient features of IMI 2.0:

The Intensified Mission Indradhanush immunization drive/ activity will consist of 4 rounds of immunization over 7 working days, excluding Sundays, RI days and holidays.

It will cover vaccines for measles, tetanus, diphtheria, whooping cough, Hepatitis B, tuberculosis (Tb), meningitis and poliomyelitis. In selected areas, vaccines for Japanese encephalitis (JE) and Hemophilus influenza will also be provided. IMI would also ensure that the children under 2 years of age and pregnant women are immunized against 8 vaccine-preventable diseases.

It would include an enhanced immunization session with flexible timing, mobile session and mobilization by other departments. Enhanced focus will also be on left outs, dropouts, and resistant families & hard to reach areas. Also focusing on urban, underserved population and tribal areas.

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