There have been many interesting responses to my recent post, “Are you receiving the influenza 2009 H1N1 vaccine?” Some individuals have already been immunized or plan to do so shortly. Others are concerned about the safety and efficacy of the monovalent preparations. As pointed out recently in a Nature editorial, “Mass-vaccination campaigns…must take public concerns …
Influenza A (H1N1) 2009 vaccine: efficacy and safety Read More »
1. Some parasitic wasps lay eggs in caterpillars, where they mature into adult wasps. The wasp eggs contain a virus, encoded in the wasp genome, which prevents the caterpillar from rejecting the eggs. 2. There are a million virus particles per milliliter of seawater €“ for a global total of 1030 virions! Lined up end …
A retrovirus that has been implicated in prostate cancer has now been found in the blood of patients with chronic fatigue syndrome. What is this virus and where did it come from? Chronic fatigue syndrome (CFS) is a disease characterized by fatigue and chronic inflammation that can last years and may affect ~1% of the …
All the evidence I’ve seen so far points to a poor uptake of the influenza 2009 H1N1 vaccine in the United States. This is not good news – inadequate immunization means more infections and more deaths. A few weeks ago I asked a class of about 50 students in a course on Emerging Infections whether …
Are you receiving the influenza 2009 H1N1 vaccine? Read More »
Shortly after I developed sore throat, cough, and congestion last week, a package of ‘Cold – Eeze’ materialized on my kitchen counter. The writing on the package of zinc-laden lozenges promised to ‘shorten your cold’, and noted that they were ‘clinically proven to reduce the duration of the common cold’. Do zinc lozenges have any …
Antibodies produced by infection with a virus, or after immunization with viral vaccines, are effective at preventing viral disease. However humans and higher primates contain “natural antibodies” which are present in serum before viral infection. Natural antibodies can activate the classical complement pathway leading to lysis of enveloped virus particles long before the adaptive immune …
Natural antibody protects against viral infection Read More »
