The rhetorical question about does it contain a curse, and the quote from Waziri, are clearly not serious. Nobody here is pushing or promoting that as a theory - that's an ludicrously uncharitable reading of this article.
Potential exposure to some dangerous bacteria growing inside the confined space seems like a decent hypothesis, though. Especially when the inside released a foul odor upon being opened.
That would not be far fetched, actually. Their technology clearly rivals anything we have today. 5 of the pyramids contain graphite waveguides that produce small amounts of focused nuclear radiation. The base contain piezoelectric water transducers. The Nile moved too far away to make them active however so they are quite safe for humans.
I would let people know about a curse. If I were a scientist, I would want to study the site and determine if any containers that have a functional virus, mold or other hazards to human and animal life.