Periodically, the yearly flu transforms ... from other species. Only influenza A viruses infect nonhuman hosts, and a reassortment of genes can occur between those subtypes that typically infect ...

(NEXSTAR) – The flu is spreading far and wide ... about 97% have turned up positive for influenza A. Influenza A is further ...

Monthly distribution of influenza A virus subtypes from Jan 2008 to May 2011 and the positive rate in Alberta, Canada. The percentage of positive for IFVA virus subtypes detected from January 2008 ...

There are 16 different hemagglutinins and nine different neuraminidases, and reassortment of these two antigens determines the influenza A virus subtype (e.g., H1N1 or H3N2). Embedded within the ...

The newly published results confirm previous research that demonstrated the vaccine design protected against the H3 influenza subtype. The new results are particularly encouraging, Weaver said, ...

A completely new influenza virus subtype emerged and spread around the globe in around four to six months, killing an estimated 40–50million people. What are the symptoms? In humans, symptoms ...

as determined by a positive PCR test for influenza and a virus type and subtype consistent with those of the index patient. All household contacts were tested for influenza on or before day 5 ...

Last week, the Indian Council of Medical Research said these cases are linked to Influenza A, the H3N2 subtype virus that causes flu. The Council said surveillance data had shown a spike in these ...