Pharma news

The number of Americans infected with the HIV virus each year is much higher than current government estimates, US health officials have said.

The Centers for Disease Control and Prevention (CDC) said 56,000 people had become infected with the virus that causes Aids in 2006.

That is substantially more than the earlier annual estimate of 40,000.

However, the CDC aforementioned the rise up was due to improved detection methods, rather than an increase in infections.

For the first gear time, modern blood tests can tell how lately an HIV infection occurred, allowing researchers to pinpoint the

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