William A. Haseltine, Contributor

Author's posts

Spring Break Could Trigger A National Surge In Cases Fueled By Variants

s spring break travelers return home to different corners of the U.S. they could accelerate the spread of the variants, prompting a potential national surge unless states cease relaxing Covid-19 restrictions

What Can We Learn From Australia’s Covid-19 Response?

While Australia does have considerable advantages in terms of geographic isolation there is still much we can learn from their response. Australia’s success proves that a strong public health response focused on vigilant testing, tracing and quarantine…

Preventing Fecal-Oral And Fecal-Aerosol Transmission Of Covid-19

Evidence shows that SARS-CoV-2 infects the intestines and colon and from there spreads to others, traveling from the toilet to the sewer to the water we use and the air we breathe. Here’s how public health interventions can prevent this.

Controversy Over OSHA Proposals To Create A Covid-19 Safe Workplace

Much like other Biden Administration safety measures, the OSHA Covid-19 standard will, unfortunately, face implementation challenges due to the late stage in the pandemic in which it is occurring.

Third Generation Covid-19 Variant Described In The Philippines

A new SARS-CoV-2 variant has emerged once again, this time in the Philippines. The new variant bears a resemblance to the recently discovered Japanese variant (B.1.1.248) and the infamous Brazilian variant (P.1), known for its dangerous immune-escape c…

AstraZeneca Vaccine Fails To Protect Against The South African Variant

Two doses of the AstraZeneca Covid-19 vaccine were found to have only a 10.4% efficacy against mild-to-moderate infections caused by the B.1.351 South Africa variant, according to a phase 1b-2 clinical trial published on Tuesday in the New England Jour…

Novavax Covid-19 Vaccine Performs Well In Clinical Trials, But Variants Remain A Threat

The new candidate uses a mechanism to prompt immune responses that is different from vaccines already in circulation, but remains effective against non-variant forms of the virus.

Molnupiravir: A New Hope For Prevention And Treatment Of Covid-19 And Other Dangerous Viruses

A new Covid-19 therapy has completed its phase two human trial and the results are promising. Molnupiravir, developed by Ridgeback Biotherapeutics LP and Merck & Co., reached its endpoint objective of reducing the length of Covid-19 infections, accordi…

The Covid Pandemic Is Not Over: The Past May Be Prologue

The dangers of relaxing Covid-19 restrictions are apparent in the rising numbers of new infections across Europe.

New Hope For A Covid-19 Vaccine That Protects Against All Variants

If we had a pancoronavirus vaccine, revising existing Covid-19 vaccines year in and year out wouldn’t be necessary. According to two new studies, nanoparticle immunization technology might be the key.