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[11 min watch] Common viral infections of the skin

[Warning: Graphic images.] In this latest general dermatology video, Dr Vincenzo Piccolo provides an insightful update on some of the most common viral skin infections – including various forms of warts, molluscum contagiosum, herpes, pityriasis rosea, and more – covering their clinical and dermoscopic symptoms and how to recognise them, with real patient examples.

For further information on viral skin infections, you may be interested in the HealthCert Professional Diploma in General Dermatology: medical courses online, tailored for general practitioner training.

Watch the full video now:

[Warning: Graphic images.]

This video covers:


  • Viral warts: Most commonly presenting in children, viral warts are a secondary manifestation following infection with HPV. Dr Piccolo discusses the clinical signs of viral warts, including examples where the warts appear in areas of previous skin trauma.
  • Filiform warts: Characterised by their long, thin appearance, filiform warts are another common viral infection of the skin seen in clinical settings.
  • Plantar warts: Small, rough growths on the feet, plantar warts can also sometimes group together to form “mosaic warts”.
  • Annular warts: Dr Piccolo looks at a real patient case in which annular warts formed on the skin at the site of a previous cryotherapy treatment.

Molluscum contagiosum

Molluscum contagiosum is an infection caused by a poxvirus. Dr Piccolo speaks about the clinical and dermoscopic features, and also explains that cases of molluscum contagiosum in the genital areas of children should be investigated as possible signs of sexual abuse, as this infection is often sexually transmitted.

Herpes virus

Often affecting the peri-oral region, the herpes virus can manifest as lesions on the skin in both adults and children. The first infection is usually the most severe, followed by milder episodes.

Pityriasis rosea

A skin rash that may be triggered by a viral infection.

Skin infections secondary to immune activation

Dr Piccolo explores some of the other skin infections that result as secondary manifestations of immune activation.

See all this and much more in the full video above!

For further information on this topic, you may be interested in the HealthCert Professional Diploma in General Dermatology.

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