Resistance to antiviral drugs is climbing

Public health experts have warned of a worrying increase in resistance to antiviral drugs that is making infections such as HIV and hepatitis B more difficult to manage. ![][1] HIV particles (yellow and pink) budding from the surface of a T4 lymphocyte cell (blue) in a coloured transmission electron micrograph Credit: DR STEVE PATTERSON / SPL Evidence from research that followed 4500 British patients infected with HIV indicates that after two years of standard treatment with a combination of three different classes of … [1]: /embed/graphic-1.gif