A new aggressive form of HIV can progress to AIDS in just three years - so rapidly that patients may not even realise they were infected, scientists say. Engaging in unprotected sex with multiple partners increases the risk of contracting multiple strains of HIV. Once inside a host, these strains can recombine into a new variant of the virus, researchers said.
India unveiled its indigenously developed and manufactured Rotavirus vaccine, claimed to be the world's cheapest at the rate of around Rs 60 per dose and aimed at boosting efforts to deal with diarrhoea that kills upto 80,000 children under 5 every year.
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