Salmonella can survive weeks outside the body. This is actually a transmission electron microscopy image, which is similar to an SEM in that it uses electron beams but instead of scanning the surface of an object the beam passes through thin sections of a specimen.

Salmonella can survive weeks outside the body. This is actually a transmission electron microscopy image, which is similar to an SEM in that it uses electron beams but instead of scanning the surface of an object the beam passes through thin sections of a specimen.

A scanning electron micrograph image of methicillin-resistant Staphylococcus aureus (MRSA) ingestion by a neutrophil. Bacteria pictured in yellow; neutrophil in purple

A scanning electron micrograph image of methicillin-resistant Staphylococcus aureus (MRSA) ingestion by a neutrophil. Bacteria pictured in yellow; neutrophil in purple

A fall in condom use is behind a rise in HIV infection in the UK

HIV increase in gay men caused by fall in condom use

A fall in condom use is behind a rise in HIV infection in the UK

Coronavirus appears to now be being transmitted from person to person although risks of infection are low.

Third family member has 'Sars-like virus'

Coronavirus appears to now be being transmitted from person to person although risks of infection are low.

How do immune cells detect infections?

How do immune cells detect infections?

How Do Immune Cells Detect Infections?

Humans and chimps share genetic strategy in battle against pathogens

Humans and chimps share genetic strategy in battle against pathogens

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