As of 28 March, 2008, the Brazilian health authorities have reported a national total of 120,570 cases of dengue including 647 dengue haemorrhagic fever (DHF) cases, with 48 deaths.
The 1918 influenza strain developed two mutations in the hemagglutinin which allowed it to bind tightly to receptors in the human upper respiratory tract.
There is seemingly consistent and compelling evidence that there is no association between breastfeeding and breast cancer. We challenge the assumption follows that milk borne viruses cannot be associated with human breast cancer.
Scientists are no further forward in developing a vaccine against HIV after more than 20 years of research says Nobel Prize-winning biologist David Baltimore.
Ciguatera poisoning is caused by the consumption of tropical reef fish that have assimilated ciguatoxins through the marine food chain from toxic microscopic algae.
A hunt is on for 2 patients with a deadly form of tuberculosis who disappeared after the Cape High Court ordered they return to a South African hospital. The pair, diagnosed with extremely drug resistant (XDR) tuberculosis, are presumed to be in hiding.
Sewage systems do not break down Tamiflu, which means the main weapon against bird flu could seep into natural waters and make certain viruses resistant to the drug during a pandemic.