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Immunisation
Not immune to myths
Issue Date: Dec 31, 2003
The government of Nigeria has rushed health workers to Daramba, a village on the border with Niger, following an outbreak of whooping cough -- one of the six main killer diseases for children (the others are: diphtheria, measles, polio, tetanus and tuberculosis). Health officials blame villagers who, they say, have shunned routine immunisation.
Immunisation's lethal leftovers
Issue Date: May 15, 2003
Immunisation is a double-edged sword -- providing a shield against diseases, at the same time generating waste that can be hazardous to health and the environment if not disposed of properly. Typically, lethal leftovers of the process comprise used needles and syringes. Almost 80,000 to 160,000 people are infected every year across the world due to exposure to these.
'UP is core area'
Issue Date: May 15, 2003
The upsurge in the incidence of polio in Uttar Pradesh (up) is threatening to derail the World Health Organisation's (who) goal of eradicating the disease from the planet by 2005, asserts who Director General Gro Harlem Brundtland.
Polio panic
Issue Date: Jan 31, 2003
at a time when the Pulse polio immunisation drive is in full swing, rumours are rife about the presence of polio virus in some goats in Gumbli village in Tamil Nadu's Thiruvellur district. Experts fear this can affect the already floundering national polio eradication programme.
Genes and dreams
Issue Date: Oct 31, 2002
with the recent genome decoding of both the malaria parasite Plasmodium falciparum and its vector Anopheles gambiae, scientists have got a vital framework for exploring new ways to block disease transmission at molecular and cellular levels. The feat is particularly significant as both the parasite and the vector are associated with the most severe form of the disease. The work was accomplished by an international team of 160 researchers from 10 different countries.
Preventive measure
Issue Date: Oct 31, 2002
The foot and mouth disease (FMD) is a recurring menace for the people of Chhukha dzongkhag (district) in Bhutan. Fed up with the frequent outbreaks, Chhukha has embarked upon a mass immunisation programme that would shield its entire livestock. The district has a livestock population of 1,53,348, and has encountered 13 occurrences of FMD since 1998. As many as 10 of these have taken place between 2001 and 2002.
Chimp's aid
Issue Date: Sep 30, 2002
an aids-like epidemic wiped out huge numbers of chimpanzees around two million years ago, leaving modern chimps resistant to the aids virus and its variants. This hypothesis would explain why chimps, which share more than 98 per cent of their dna with humans, don't develop aids.
Prickly issue
@vibhavarshney Issue Date: Jul 31, 2002
Starting September 2002, about two million children would be vaccinated free of cost against Hepatitis b in 15 cities and 32 districts in the country.
Scourge stamped out
Issue Date: Jul 31, 2002
europe has been declared polio-free. For some 870 million people living in the region's 51 member states, this declaration is an important public health milestone in the new millennium. The European Regional Commission for the Certification of the Eradication of Poliomyelitis confirmed that the disease had been eradicated in the continent.
Not immune to changes
Issue Date: Mar 15, 2002
When the body is exposed to a foreign substance, such as a virus or bacteria, the immune system responds by making cells and agents that fight off the invaders. But sometimes physicians want to be able to turn off the immune response, such as during bone marrow or organ transplants to prevent the host from rejecting the donor tissue. On the other hand, doctors at times also like to boost the immune response against malignant cells and HIV-infected cells to help fight cancer and AIDS.
